When the Mills family relocates to Beverly Hills from Kansas, Annie Mills and her brother Dixon start school at West Beverly Hills High, the alma mater of their father, and must adjust to a completely different atmosphere than that of their Kansas high school.
In the second half of the series premiere, Naomi finds herself in hot water after failing an assignment and having Ryan and Kelly tell Harry about the grade. Meanwhile, Dixon deals with jealous teammates on the lacrosse team and Annie develops a crush.
Annie and Dixon's plans for Friday night are stalled when they learn about Harry and Debbie's family bowling night. While at the bowling alley, Ethan, Navid and Silver show up and family bowling night is put off so that Annie and Dixon can hang out with their friends. Later, Ty arrives and Annie must choose between him and Ethan. Meanwhile, Naomi has to deal with a bad night with her father; and Dixon runs into a situation that sheds light on Silver's drinking.
Harry learns that West Beverly Hills High's theater director will not be able to direct the school musical, leading Tabitha to offer her time, surprising Annie, Harry, and Debbie. When Tabitha does not handle Adrianna well, Kelly talks Brenda into taking over as director, which leads to a heated confrontation between them over Ryan. Meanwhile, Dixon worries about his family's finances and visits Nat at the Peach Pit in order to get a part-time job; Naomi confronts her father's mistress; and Annie goes on a date with Ethan.
Annie and Ty spend an increasing amount of time together as the opening night of "Spring Awakening" rapidly approaches. When Harry sees Annie and Ty kissing, he and Debbie worry about how fast Annie and Ty's relationship is progressing. Silver gets help from Dixon with managing backstage, which brings the two closer. Meanwhile, Naomi vows to get her parents back together after they announce they are getting divorced; and Brenda, Kelly and Ryan confront Adrianna about her substance abuse problem, which may give Annie the opportunity to take the lead role in the play.
When Debbie is given the opportunity to shoot a fashion show for Nylon Magazine, Annie uses the event for a school project. Naomi tries to use the shoot to mend her parents' marriage, but her plan ends up backfiring. Meanwhile, Kelly receives a phone call that changes her relationship with Ryan.
Annie and Ethan get paired up for a class project where they must take care of a baby. This time together forces them to see each other in a new light. At Silver's half-birthday party, Silver and Dixon continue to get closer. Meanwhile, Harry and Debbie must deal with Harry's past when Tracy tells Harry that she's hired an investigator to find their son. Elsewhere, Ryan tries to cope with Kelly leaving and decides to try online dating.
As Annie prepares for her driver's test, she and Ethan make plans to go to the Homecoming dance without it being a date. Adrianna confesses the truth about her drug use, which clears Naomi's name and forces her to attend rehab. At the dance, Ryan sees Kimberly buying drugs from a student; Debbie confronts Tracy about her behavior toward Harry; and Silver and Dixon are able to go do the dance, despite her root canal.
Harry and Debbie reveal to Annie and Dixon that Harry had a son who was given up for adoption 22 years ago. Meanwhile, Silver has the girls over for a girls' night, but the simple night together quickly escalates into a house party.
Noami grows spiteful as Annie and Ethan grow closer, causing her to deliver an unwelcomed surprise at Annie's sweet 16 party. Meanwhile, the school is all buzzing over the news that Ryan was given a leave of absence, and Adrianna discovers Navid's secret.
Annie and Naomi call a truce due to the appearance of their half-brother Sean, in town as they deal with his unexpected presence. Meanwhile, Silver is unhappy with the interest a cheerleader is showing Dixon, and Brenda and Kelly struggle with the distancing in their longtime friendship.
Debbie, Harry, Annie, Dixon and Sean have a family game night, but Annie become suspicious of Sean when she overhears a phone call. Adrianna asks Brenda to come to support day at the rehab center, but the day does not go as planned.
Debbie and Tabitha clash after Tabitha surprises Annie and Dixon with a new car. Adrianna begins to open up to Naomi about her secret. Meanwhile, Silver and Dixon spend the day together at the beach, but things take an awkward turn when Dixon says three little words.
Adrianna must cope with her decision about her baby and her baby's father and turns to Naomi and Kelly for support. Ethan helps Annie prepare for the school play's try-out and are shocked to find out that Ty is also auditioning. Meanwhile, Dixon asks Debbie for relationship advice.
Adrianna reveals her pregnancy to the baby's father and is shocked by his parents' handling of the situation. Naomi stands by Adrianna's side while they devise a plan to break the pregnancy news to Adrianna's mother, Constance Annie and Ethan are still shaken from his accident but their relationship becomes strained when he starts spending a lot of time with Rhonda. Silver confronts Dixon and tells him the words he has been longing to hear.
Naomi is intrigued by a mystery man who has shown up at her home. Silver and Dixon still manage to get together despite her Valentine's Day plans falling through. Meanwhile, Ethan has grown tired of Annie's jealousy towards Rhonda.
In an attempt to get close to Liam, Naomi offers to be his math tutor, but she gets more than she bargains for when he takes her out for a wild night. Silver takes a class assignment a little too far when she creates a video that documents her love for Dixon. When Silver screens the video for her fellow students, everyone, including Ryan, is shocked when they see Dixon and Silver in an intimate situation. Upon seeing the reaction of everyone around her, Silver blames Ryan for the situation. Ethan and Annie's relationship remains rocky but more problems arise when Adrianna reveals that Rhonda and Ethan shared a kiss at the dance. Harry and Debbie are surprised to learn that Annie quit the school play in order to spend more time with Ethan
Ryan heads out to calm down Silver after her video airs, but she disapperas before he can. Dixon talks to his parents about the situation who are shocked by what has happened. Adrianna gets a glimpse of things to come when she and Navid babysit for Kelly.
Kelly and Silver are shocked when Donna arrives in town. Annie and Dixon take a road trip to visit someone from Dixon's past while Ethan spends his spring break working for Habitat for Humanity. Naomi also decides to work for Habitat when she learns that Liam will be there.
Now that they have finally sold their home in Kansas, Harry and Debbie have a yard sale, Beverly Hills-style. Meanwhile, Donna talks to Kelly about her separation, and later search for a place for Donna to open a clothing store; Dixon helps Silver in her recovery; Liam and Ethan's unlikely friendship continues; and when a scandal involving Naomi's father comes to light, her trust in Annie begins to falter.
While moving into the Wilson's home temporarily, Naomi discovers that her dramatic older sister has returned to town. Elsewhere, Adrianna and Navid tell their future plans to his parents; and Annie is set up with Liam's friend by Naomi on a double date.
Adrianna and Navid don't receive the reaction they expected after revealing their future plans to their friends. In a show of support Naomi, Annie and Silver throw Adrianna a bridal shower, while Dixon, Ethan and Liam surprise Navid with a bachelor party at a burlesque club. Now that that Naomi's big sister Jen has returned, the two of them decide to live together and ask their scandalous father to release Naomi's trust fund in order to support their wild spending habits. Ryan and Jen bump into each other at the Peach Pit and get wrapped up in a conversation of lies before deciding to have dinner together.
Naomi drops her concerns over Jen's overspending after being asked to the prom by Liam. Meanwhile, Annie is going to the prom with a geek just to prove Liam is wrong. After Navid confronts Ty about his fatherly responsibilities, Adrianna goes into labor. Kelly's warnings about Jen has Ryan seeing it as a sign of jealousy.
A post-prom party is being held at Naomi's home when she has a fit after walking in on Liam and Annie and makes accusations which has Annie at her breaking point. Meanwhile, Brenda visits Adrianna at the hospital as she deliver her baby, and a fight occurs between Dixon and Ethan over Silver.
Forced to attend summer school following the police crashing Naomi's after-prom party, Naomi, Silver and Adrianna form a tight bond with one another, while Annie finds herself more isolated from her friends and family as she worries about her hit-and-run. As summer draws to a close, the gang hangs out at the Beverly Hills Beach Club, where Naomi and Silver meet Teddy, the son of a famous movie star. Meanwhile, Dixon and Silver work to save their relationship, but it may be too little too late.
Naomi, still upset at Annie, considers sending out a mass sexually explicit text to get back at her. Silver decides to try to mend her relationship with Dixon, but Naomi and Adrianna convinces her otherwise. Meanwhile, Liam and Dixon join the surf team; Adrianna helps Navid land an interview with Teddy; and Ryan continues to try to woo Jen, but she continues to play hard to get.
Annie, humiliated by the mass sext message, sets out to prove that Naomi sent the message. Harry and Debbie try to talk about Annie's situation, but their discussion only causes more tension, leading Harry to confide in Kelly about his family issues. Dixon meets the girl of his dreams, Sasha, but hides his true age in order to get to know her. Meanwhile, Silver continues to try to get over Dixon; Adrianna and Navid deal with Teddy; and Liam begins working on a mysterious project.
Dixon and Sasha head to Napa for the weekend, but a flat tire on the way home leads to a trunk of porn as well as growing lies. Annie's attitude makes a complete change when she learns that Jasper, the nephew of the man she hit on prom night, attends West Beverly. Navid continues running the Blaze News, and has Silver and Gia interview Jasper for an article about his uncle. Meanwhile, Adrianna confides in Teddy, leading Adrianna and Navid to spend the night together; Liam gets revenge on Jen; and the truth is revealed to Naomi about prom night.
Naomi learns that her test scores may not be high enough for her to be accepted into CU. Dixon's girlfriend, Sasha becomes suspicious about his age and does a little detective work to learn the truth, leaving Dixon devastated. Navid and Adrianna double date with Teddy, but Adrianna's growing feelings towards Teddy make for an awkward situation. Silver accompanies Adrianna to an AA meeting and surprisingly bumps into her mom, Jackie, who tells Silver she would like to re-establish their relationship.
Kelly and Silver deal with news that their mother, Jackie, is suffering from breast cancer. Navid's world is shaken up when Adrianna tells him she needs time alone, but ends up turning to Teddy. Jen continues to use Naomi and convinces her to lend her money. Jasper rescues Annie from a bad date, leading the two to form a bond.
It's Halloween and Adrianna channels Marilyn Monroe to help deal with her broken relationship with Navid. Silver and Kelly take different stances as to how to care for their mother. Naomi continues in her relationship with Richard, but later shares an intimate moment with Jamie. Dixon begins to realize that Sasha is in a different place in life than he is and decides to end their relationship. Tensions arise between Debbie and Harry; Annie and Jasper's relationship is tested; and Liam faces off with the newest member of the surf team.
Navid and Gia (guest star Rumer Willis) launch an investigation into student drug use at West Beverly for Blaze News, which leads them to Annie’s boyfriend, Jasper, leaving Annie torn over who to believe.
Fresh off his break-up with Adrianna, Navid receives dating advice from Samantha Ronson (appearing as herself) while out with Liam, Teddy and Ivy (guest star Gillian Zinser) at the Edison.
Worried that Adrianna will relapse, Naomi and Silver enlist Navid’s assistance. Dixon reveals his situation with Sasha to Debbie and Harry, prompting Debbie to do some investigating.
Jen and Ryan meet up with Pharrell (appearing as himself) to watch a performance of N.E.R.D.
With the help of Teddy, Jackie surprises Silver with a half-birthday celebration that takes her back to her childhood birthday parties.
Navid witnesses Adrianna buying drugs from Jasper, forcing Navid to confront him about being a drug dealer.
Dixon is determined to confront Sasha about her miscarriage, forcing Debbie and Harry to reveal that Sasha lied about being pregnant. Annie and Jasper profess their love for each other and decide to take their relationship to the next level.
After getting into a fight on the beach, Liam, with the help of Dixon, Teddy and Ivy, devises a plan seek revenge on Jen. Ryan Eggold also stars.
Annie leaves Debbie and Harry surprised when she informs them that she would like to invite Jasper over for dinner. Dixon decides to pass on the event as a result of his anger over Debbie's management of the Sasha situation. Meanwhile, Kelly shows support for Silver regarding the caring of Jackie despite the fact that she does not yet know if she can ultimately forgive her mother for all the pain she has caused in the past. Navid confronts Adrianna about her drug use, and a weekend camping trip leads to Ryan and Jen's relationship climbing to a new level. Also, Naomi is caught kissing Jamie by Richard and his mother, forcing her to come clean about her plans for CU admission.
Navid wakes up after the incident, but has no memory of who pushed him down the stairs. Adrianna visits Navid at the hospital which leads her to make a life-changing decision about her drug addiction. Silver and Teddy begin to bond of their shared experiences of their mothers dying. Liam, Dixon and Ivy discover Naomi and Jen will be at the horse race, and decide to put together a plan to tell Naomi the truth about her sister. Meanwhile, Annie, despite being grounded, sneaks out to be with Jasper.
Navid, thinking Jasper pushed him down the stairs, asks Adrianna to help him reveal Jasper for what he is. Annie is confronted by her friends about Jasper and his drug dealing, but when she talks to him about it, he tells her he knows about her involvement in the hit-and-run. Naomi and Silver head to St. Barts for Christmas with a stop at the winter dance first. Teddy reveals his feelings for Silver, which makes Dixon jealous.
Naomi returns from her vacation in St. Bart’s excited to spend time with Liam, which leads to the two getting up close and personal in his newly built boat. Adrianna and Gia bond during an AA meeting and establish a support system for each other which leads to the two sharing a kiss at the Beach Club. Navid and Dixon devise a plan to eliminate Jasper from Annie’s life, but never anticipate the outcome of a school drug search. Dixon attempts to rekindle his relationship with Silver, while Silver hides her true feelings for Teddy. Harry and Debbie run into Kelly while attending a school function and Debbie confronts Kelly about having a crush on Harry.
Naomi enlists Ivy’s help in reducing the awkwardness with Liam and the three decide to go on a hike, something Naomi has never done. Naomi discovers Ivy’s alterior motives and confronts her by pushing her face in the sand. Naomi, Silver and Adrianna go shopping in the Palisades and run into Annie and Jasper. Jasper blackmails Annie with photographic proof of her hit-and-run, but she gives Jasper an ultimatum that puts her mind at ease. Adrianna and Gia’s friendship continues to develop when the two throw a pity party for themselves. Silver and Teddy toy with the idea of trying to make a relationship work. Ryan meets free-spirited Laurel at a bar, but soon they move to her car so they can get to know each other even better. A surprise visitor shows up on the Wilson’s doorstep.
Gia encourages Adrianna to audition for a new band and admits she has a crush on Adrianna. Dixon's birthmother, Dana drops by for a surprise visit and tries to develop a relationship with her son. Silver and Teddy go on their first official date but Silver finds it difficult to deal with Teddy's playboy past and enlists Naomi's help to track his whereabouts. Navid returns from his suspension to find that Naomi has started a gossip segment during Blaze News, which he adamantly opposes. Navid decides to get back into he dating scene by asking Lila out on a date, his first since breaking up with Adrianna. Annie realizes that Jasper has started following her around town. Debbie confides in Kai, her yoga instructor, about the arrival of Dixon's birthmother.
Naomi immediately butts heads with the Blaze's new faculty advisor, Mr. Cannon , and is reprimanded in front of her peers. After failing to convince Navid to back her opinion, Naomi decides to tell a tiny lie that soon snowballs out of control. Adrianna is now the lead singer of the Glorious Steinems and confides in Silver and Naomi about her newfound feelings for Gia, and the two go out on their first official date. Teddy decides to test Silver by attempting to make her jealous. Dixon and his birthmother Dana continue to bond. Liam catches his stepfather with another woman and confronts him with his fist. Debbie and her instructor, Kai share tea and conversation after yoga, but Kai oversteps his boundaries
Annie tries to cope with Jasper's decision; driven by jealousy, Dixon and Ivy decide to go on a fake date; Adrianna and Gia make their relationship official.
Naomi's little white lie has become the talk of the school, and when she is forced to testify in front of the school board, she drops a bomb that no one saw coming. Annie is finally able to put her relationship with Jasper behind her, but when she and Silver inadvertently drive past the scene of her hit-and-run, the guilt comes rushing back to haunt her. Dixon and Ivy's fake-dating situation continues and the two make a decision that neither one anticipated. Adrianna and Navid share a friendly conversation which doesn't go over well with their significant others, Gia and Lila. An argument between Gia and Adrianna results in Adrianna walking in on Gia and her ex-girlfriend. Liam receives a surprise visit from his father, Finn, just released from prison. Though Ivy has warned Ryan that her mother is trouble, he continues to date Laurel.
As a result of falsely accusing her faculty adviser of sexual harassment, Naomi is now required to complete community service and publicly apologizes to her peers for the trouble she has caused. The gang is preparing for the SAT’s when Silver disagrees with Teddy’s decision to skip college to focus on his tennis career and things grow even more tense when she meets his movie star father, Spence. Liam and his father, Finn, reconnect and attempt to rebuild their relationship.
Navid and Dixon host an underground gambling party that results in Dixon owing Mark a lot of money. Debbie reveals to Harry that she kissed another man, which forces the two to finally discuss their recent problems. Annie overhears their parents conversation and turns to Liam for support. Just when Naomi thinks her life is back on track, her evil sister Jen returns to Beverly Hills.
Naomi and Jen are back to wreaking havoc in each others lives. Just when Naomi thinks she has the upperhand, Jen slaps her back into reality. Teddy invites a nervous Silver to meet his father, Spence, for the second time and the meeting doesn’t go quite as planned.
Adrianna struggles to write a new song for Laurel and turns to Navid for support, forcing Navid to realize he still has feelings for her. Adrianna records a duet with Javier Luna, a famous young pop singer, who quickly wins her over with his charm.
Annie confronts Harry and Debbie about their recent marital problems, resulting in a family discussion about their future.
Adrianna's new romance with pop star Javier continues to blossom, while Navid continues to work up enough courage to tell her how he feels. Jen has taken control of Naomi's finances and puts her on a tight budget, resulting in an instant meltdown by Naomi. Without her credit cards, Naomi is too distracted to realize Liam (Matt Lanter) is in need of support to deal with the departure of his father, so he turns to Annie for comfort. Despite Spence's suggestion, Teddy refuses to end his relationship with Silver , and the two decide to spend the night together. Ivy invites Dixon (Tristan Wilds) to spend the summer in Australia with her and Laurel (Kelly Lynch), but the idea doesn't go over well with his parents. Harry and Debbie's (Lori Loughlin) problems escalate when she finds out that Harry has been hiding Dixon's gambling issues from her. Meanwhile, Jasper returns to resolve things with Annie.
Teddy seeks revenge after learning that Spence tried to bribe Silver; Liam and Annie share their darkest secrets; Ryan receives a mysterious package.
Naomi finds out she can now access the money in her trust fund, so she decides to throw a giant birthday party where The Honey Brothers perform a few songs. Dixon, Navid and Liam decide to take Oscar out for a night on the town, but their party ends when Ivy finds a Facebook photo of Dixon doing a body shot off a girl. Annie has an instant connection with Charlie, a guy she meets at a coffee shop, but seems more interested in exploring her relationship opportunities with Liam. Jen is forced to go on bed rest until she delivers the baby and has no choice but to allow Ryan into her life. Silver confronts Teddy about his drinking problem.
Naomi tries to cope with constant flashbacks to her rape; Mr. Cannon invites Silver to his apartment; Dixon makes a discovery about Ivy.
Silver plans a cancer-awareness charity event to honor her mother and enlists the help of Navid, Dixon, Liam and Teddy to appear in a bachelor auction. Ian, a theater student at West Bev, is brought in to help choreograph a dance number for the auction, but all comes to a stand-still when Teddy directs some negative words toward him. Annie and Adrianna discover the truth about Naomi and Mr. Cannon. Annie discovers Debbie's financial problems and decides to take an offer to make some quick cash. Ivy and Dixon decide to spend the night together, but Dixon hits the brakes when Sasha returns with some life-altering news.
Silver, Naomi and Adrianna craft a plan to seduce Mr. Cannon and prove that he raped Naomi, but they underestimate his ability to control the situation. Teddy and Ian are forced to do manual labor as punishment for fighting. Dixon fears for his life and pushes Ivy away, leading her straight into the arms of Oscar. A pregnant Jen seeks to hire a new assistant and Debbie applies for the job.
New parents Jen and Ryan find out about Naomi's rape and Jen decides to take matters into her own hands. Ryan encourages Naomi to come forward even though his own job may be in jeopardy. Victor arranges a photo shoot for Adrianna and instructs her to go topless, while Navid and Silver watch in shock. Annie discovers that Charlie has a dark and disturbing side when she sneaks in to observe a staged reading of his play. Liam lands a job working shirtless in the window and on the sales floor of a clothing store. A mysterious customer offers him an opportunity he can't refuse. Dixon apologizes to Ivy for breaking up with her but doesn't realize that Ivy decided to lose her virginity to someone else. Oscar confronts Laurel and Ivy with shocking news about his past.
Ryan encourages Naomi to press charges against Mr. Cannon and prepares himself for the consequences. Oscar decides to set his sights on Naomi and unknowlingly helps her with the case against Mr. Cannon. Ivy decides to tell Dixon she slept with Oscar. Navid and Silver attend the Achievement Awards dinner while Annie, Teddy, Liam and Ian attend The Undies, an anti-achievement ceremony at the Beach Club.
Annie and Dixon go visit their father but are shocked at who answers the door. Meanwhile, Jen begins to think she's a bad mother and makes an important decision with Ryan; Naomi and Ivy join forces to take down Oscar; Navid discovers something about his father and asks Silver for help in proving it and Adrianna un-invites Navid to her premiere party in favor of Joe Jonas to boost her image under the recommendation of her manager.
Teddy begins to feel more comfortable in his own skin and decides to visit a bar in West Hollywood where he soon realizes he forgot his wallet and is forced to turn to Ian for help; Navid feels guilty for turning his father in to the authorities; Charlie's friends catch Annie wearing sexy lingerie.
Naomi jumps back into the dating world when she notices one of Ivy's hot surfer friends, Zach, and tries to impress him by pretending to know how to work a surfboard. Ivy remains upset by her mother's actions with Oscar and decides to rebuild her relationship with her father. Dixon and Annie decide to help Debbie get back into the dating world by signing her up for online dating, but while on her first date, she and Ryan sneak away for some one-on-one time at the Beach Club. While at the beach luau, Teddy gets jealous when he sees Ian with another guy and allows his feelings to control his actions. Navid and Adrianna's relationship is strained now that she has found fame, which leads him closer and closer to Silver.
Adrianna rents a mansion and decides to throw a housewarming party complete with an ice skating rink and elves. All is great in Adrianna's world until Victor decides to reveal Adrianna's secrets to the media. Annie decides to skip the party so she can take care of Liam, which leads to the two of them rekindling their old romance in Dixon's bed. Ivy's reconciliation with her father doesn't go quite as she planned. Teddy and Ian discuss their feelings and decide to keep their relationship quiet for the time being, unaware that Dixon saw them share a kiss. Meanwhile, Navid and Silver share their feelings and realize they both feel the same way. Naomi returns home from the party to find an unexpected visitor.
Naomi is taken hostage in her own home by an out-of-control Mr. Cannon who also lures Silver into the situation. Annie and Dixon's cousin Emily from Kansas comes to town for an extended visit, but Emily immediately gets on Annie's nerves. Dixon confronts Teddy about his kiss with Ian and promises to keep his secret. During surf practice, Ivy takes a nasty spill that makes her question her ability to compete in the surf competition. Adrianna's world continues to crumble when she appears on a talk show to tell her side of the story, and she is blindsided by a surprise guest. Given Adrianna's disastrous situation, Navid and Silver continue to keep their hook-ups a secret.
Naomi, Adrianna, Silver and Annie decide to have a girls' weekend and head to a yoga retreat in Ojai. Annie attempts to be a good cousin and invites Emily along for the weekend but confronts her about being a downer on the trip. Emily purposefully neglects to wake Annie up for a sweat lodge session and uses the opportunity to turn the girls against Annie. Naomi, who originally thinks the retreat is silly, suddenly decides to extend her stay. Silver runs into Navid, and the two have a secret rendezvous. Adrianna returns from the retreat and calls a tabloid to sell an exclusive story. Meanwhile, Debbie plans a romantic dinner for Ryan, but they are interrupted by Dixon, forcing Ryan to quickly find a place to hide. Charlie realizes Annie has feelings for Liam.
Everything changes for Navid when he learns how Adrianna used the baby she gave up for adoption. Adrianna leans on Silver for support and makes a shocking discovery. Annie gets the opportunity to audition for a play and Emily comes up with a plan to sabotage her. Naomi returns from a spiritual retreat and decides to throw a party for Guru Sona but realizes the Guru may not be the person Naomi thinks she is. Ivy is nervous about getting back in the water after her accident. Teddy is being blackmailed and is surprised to find out who is behind it.
Navid and Dixon convince a music producer to shoot a music video at Shirazi Studios. Adrianna's suspicions are confirmed, and she tells Silver about her plot for revenge. Emily distracts Annie and tries to get close to Liam, but her plan backfires. Teddy leans on Silver for support. Meanwhile, reality producers follow Adrianna and her friends around trying to shoot a pilot, and Naomi is surprised by her reaction to a nerdy lab partner who helps her out.
Back to her old tricks, Emily messes with Annie's internship at the playhouse -- and with Annie's boyfriend. Silver convinces Navid to sign the release for Adrianna's reality show to help distract her and throw her off the track. Naomi bottles up her feeling for Max. After watching footage from her birthday party, Adrianna makes a stunning realization. Ivy meets a new guy, Raj and they strike up a friendship. Meanwhile, Dixon, Navid, and Liam take Teddy out on the town.
Dixon and Navid formalize their partnership, and a chance meeting with Snoop Dogg could mean good news for Shirazi Studios. Naomi tries to impress Max by dressing up in an Avatar costume, but doesn't quite get the reaction she was hoping for. After learning the truth about Navid, Adrianna vows to get revenge. Meanwhile, Annie and Liam work together to expose Emily, and Ray confides in Ivy.
When the group decide to take a vacation to Mexico for a much needed break, chaos ensues. Naomi brings her crush Max along, under the guise that she needs extra tutoring. Teddy encounters a former crush with surprising results, while Annie drags Liam around the city, determined to embrace the culture. Meanwhile, Silver and Adrianna's bitter feud over Navid comes to a shocking confrontation.
Naomi, sick of hiding her relationship with Max and afraid he might be cheating on her, follows him to an academic decathlon event, to confront him. Silver begins to behave erratically, which worries Navid and secretly pleases Adrianna. Raj helps Ivy overcome her fear of the water, while Annie starts working for lonely, aging actress Marla, and forms an unlikely friendship with her.
Annie convinces Marla to attend a Hollywood movie premiere of one of Marla's old films, while Ryan has an unexpected visitor and Teddy catches Marco in a lie and begins to wonder if he is being cheated on. Naomi finds out Max was accepted to a college in a different state, while Silver has a breakdown after receiving some upsetting news that causes Navid and Dixon to stage an intervention.
As the gang gears up for prom, Dixon and Annie find out some devastating news about their futures, while Ivy learns that Raj's health has taken a turn for the worse. While Silver is in the hospital, Adrianna tries to rekindle her romance with Navid. Meanwhile, Naomi and Max's relationship is tested to the limit.
As graduation looms, Naomi makes a decision that could prevent her from graduating with her class. Liam tells Annie that he doesn't want to go to college and Ryan asks Debbie to move to Paris with him. Meanwhile, an impromptu wedding takes place and Adrianna is shunned from the group when they find out her scheme to get revenge on Silver.
In the season four premiere, gang from Beverly Hills have graduated from high school. Naomi has spent the summer dealing with the shocking news of her pregnancy and quickly discovers she doesn't have the status at college that she did in high school. Annie receives some unexpected news that keeps her in town, while Liam returns from his summer away ready to commit to Annie. Dixon finds himself without a roommate or a place to live, while an unexpected visitor tests Navid and Silver's relationship after they move in together. Adrianna comes back to town looking for redemption, which she soon learns will be hard to earn back. Ivy and Raj struggle to deal with Raj's health getting worse, while Teddy struggles with coming out to his family.
In an effort to re-gain her status, Naomi rushes a popular sorority, where she, along with Annie go through sorority games. Annie finds out a shocking secret about new guy Jeremy that could affect her future. Liam decides to keep the bar he bought on a whim and has a surprise guest from Alaska come into town, while Dixon finds an unlikely roommate in country boy Austin, which could lead to trouble. The search for Navid's sister Leila forces Navid and Silver to enlist in Adrianna for help, much to the dismay of Silver.
After making an enemy in sorority president Holly, Naomi finds unusual allies who help her get revenge. Annie, short on money for sorority dues, must figure out a quick way to come up with the cash. Liam and Jane get closer, while Adrianna reveals a secret that causes Liam to look at her in a different light. Ivy becomes increasingly frustrated with her friends and lashes out at their lack of compassion, while Navid must deal with his uncle coming into town and trying to undermine Shirazi Studios.
Dixon feels the heat to produce a hit song after Navid sets up studio time for him; Naomi's plot to take down Holly and her sorority involves help from Austin, much to Naomi's chagrin; Silver's attempt to make a commercial for Liam's bar falls flat; and Ivy feels torn between Raj and her friends.
Silver is asked to make campaign videos for political candidate Marissa Harris-Young who is running against Teddy's Uncle Charles for public office. Teddy runs into an old flame and Annie gets stuck with Leila during an important date. A surprise visitor threatens to tear Liam and Jane apart, while Naomi can't shake her growing feelings for Austin during a party to encourage students to vote.
Liam gets offered a modeling job after an agent sees the commercial for his bar, while Annie finds herself starting to fall for an unlikely guy. During a charity talent show event to raise money for an experimental cancer treatment for Raj, Naomi is determined to win the contest in order to show up Austin's out-of-town visitor Sally. While working on his music, Dixon pushes his limits and starts spiraling out of control, which forces Adrianna to confront him.
Naomi has to work with her arch-nemises Holly to throw a campus costume party, leading to unfortunate consequences. Navid's plan to bring down his Uncle Amal is threatened, while Silver discovers that political candidate Marissa Harris-Young is not who she seems. Meanwhile, Adrianna handcuffs herself to Dixon in an attempt to get him to stay sober and Annie must decide if she wants to give Patrick another chance.
The gang heads to Las Vegas, where Naomi meets Austin's dad, country superstar Judd Ridge. The guys run into a celebrity at the pool, where Liam gets invited to play in a celebrity poker tournament. Teddy and Shane decide to tie the knot, while Dixon and Adrianna get closer. Meanwhile, Navid sees an opportunity to take his Uncle Amal down.
Silver’s video of Teddy's Vegas wedding is leaked to the press, and has damaging effects on his uncle’s campaign. Liam’s modeling career is taken to the next level by Shelia (guest star Dina Meyer) and Annie is determined to help Dixon, even though the help he needs comes at a high price. Meanwhile, Ivy and Raj decide to plan for the future.
Dixon tries to pursue a relationship with a resistant Adrianna, while Ivy and Raj's arguing takes a toll on their relationship. Liam plans a holiday dinner for the gang, and an unexpected guest shows up. Meanwhile, Naomi goes to extremes to prove her love to Austin.
Dixon struggles with temptation as he tries to make his way back into the music world, while Annie confronts Jeremy, who stands in the way of her inheritance. Naomi and Holly embarrass themselves in front of Janice Dickinson at a fashion show, while Navid reaches a breaking point with his uncle. Meanwhile, Teddy makes a big decision that upsets Silver.
Naomi is asked by her new party planner boss Rachel to oversee her arch-nemesis Holly's birthday party, while Annie breaks into Jeremy's apartment in a desperate attempt to get the proof she needs to keep her inheritance. Navid finds trouble after going with his Uncle Amal to make a deal with a potential buyer, and Liam discovers shocking news about Annie.
New Year, New Drama - Naomi embarrasses herself in front of her boss Rachel in an attempt to get over her break-up with Austin. Dixon and Adrianna are booked to perform at a club, where they realize that working together might be a bad idea. Meanwhile, Silver takes her relationship with Greg to the next level and a party Annie throws ends up being a disaster because she is too distracted by Liam's new relationship.
Naomi is determined to fix the relationship between her boss Rachel and her daughter Holly, which forces Holly and Naomi to work together. Greg asks Silver to move to New York with him and Navid finds out some shocking information about Greg's daughter. Annie discovers Liam's girlfriend Vanessa might have been involved with his motorcycle accident.
Annie has to make a decision that could expose her work as an escort when Dixon gets arrested in connection with a fire at a sorority house. Adrianna and Silver attempt to put their past behind them, which results in disaster for Silver's relationship with Greg. Vanessa helps throw a party to re-launch Liam's bar, where the All-American Rejects perform.
In an effort to put her inheritance to good use, Annie volunteers to organize a big charity fundraiser. When Naomi takes drastic measures to land her first event-planning client, her big plan back-fires. Meanwhile, Silver realizes she still has feelings for Navid, and Vanessa vows to make Liam a huge star after his agent drops him.
Naomi's sister Jen arrives with her son for a surprise visit. Adrianna and Dixon land a meeting with a major movie producer to discuss music on his next film, but are sabotaged by Vanessa. Meanwhile, Silver gets accepted into New York University and Ivy attracts attention in the underground scene when she switches to a less conventional style of art.
Naomi is convinced that Annie's new business partner P.J. is the perfect man for her, but discovers her sister Jen is also interested in him. Adrianna and Dixon land a spot in a music festival, where Train performs and a record executive offers Dixon a recording contract. Adrianna tells Liam her suspicions that Vanessa staged the near drowning incident.
Dixon collapses while arguing in the recording studio with Adrianna. In the hospital, they run into Liam who is with Silver to support her during a test to detect if she has the breast cancer gene. Ivy finds out Raj still has cancer and is in the hospital, while Annie meets a new guy Caleb and discovers he is a priest.
PJ proposes to Naomi and Annie discovers he needs to get married in order to get the rest of his trust fund. Dixon confesses to Navid that he signed a record contract but admits he did not tell Adrianna because the label didn't want to sign her. Dixon also accepts a gig to play back up for Haley Reinhart, but doesn't tell Adrianna. Liam asks Vanessa to move out and discovers she has emptied their joint bank account.
Naomi's friends worry that she is rushing to get married, so Naomi and P.J. decide to throw a small party so everyone can get to know him. Austin returns to Los Angeles and offers to be Adrianna's new manager, suggesting she give country music a try. Caleb is concerned Ivy might not be emotionally stable, while Annie finally admits to Caleb that she is falling for him. Meanwhile, Silver feels conflicted about her feelings for Navid who is back in town.
Navid suspects that Liam and Silver hooked up so he decides to confront Liam on the red carpet of a movie premiere. Annie and Caleb fight their attraction to one another but finally give into temptation. Meanwhile, Naomi has been hired to plan the wedding of an heiress and discovers she knows the groom a little too well, and Austin enlists his dad, Judd Ridge to be help launch Adrianna's country career.
A reluctant Naomi tries to sabotage the bachelorette party she has to host for Max's fiancé Madison, where Madison's childhood crush, Nick Carter, makes a surprise appearance. At Max's bachelor party, Liam and Navid get into a fight over Silver and the evening comes to an end with people at both parties getting hauled to jail. Meanwhile, Ivy blames Annie and Caleb for Diego having to go on the run.
Naomi shocks everyone when she announces she won't be able to oversee Max's wedding because she has accepted a job in New York and will be leaving immediately. Teddy comes back to town and Dixon rushes back from touring to give his relationship with Adrianna another try, then fails to show up at their meeting spot. Meanwhile, Silver feels like she has to choose between Navid and Liam and makes a life-changing decision.