Ten years ago, Nick Garrett left his hometown for Manhattan. Now, Nick has returned home restart his life after landing a job as a teacher. However, while Nick was in Manhattan, he wrote a best-selling novel that hurt the ones that he loved, and now he is forced to face them and attempt to move forward in his life.
After the realization that Sam might be his son, Nick decides to stay in Knight's Ridge. Hannah confronts The Commander about the unusual methods he used to find out if Sam is his grandson. Meanwhile, Nick has to convince the Dean of a local college to give him a job as a professor. Elsewhere, Eddie pursues Aubrey, one of Nick's friends; and when Ikey sees Owen and Alison on a date, he's forced to make a move.
Nick has an opportunity to get closer to Sam when Sam asks his advice to impress a girl he likes. In doing so, Nick begins to feel like a father and ends up using a technique from his novel to help Sam get the girl. Meanwhile, Phil feels a spark when he meets the pizza delivery girl in unique circumstances. Elsewhere, Janet the Planet worries that Eddie is embarrassed to be with her in public during their first date; and Ikey continues to have an affair with Owen's wife.
Nick and Ronnie uncover why The Commander is unusually upbeat, and are both shocked by the reason. Physical Phil sets up a romantic dinner for his date with the Pizza Girl. Ikey and Eddie are furious when they discover that Big Cat has been stealing clients away from them. Meanwhile, Janet the Planet and Hannah send Sam on a secret scouting mission, but are horrified when it leads to tragic consequences.
Nick and the guys sit at the hospital with Hannah as they nervously wait for the results of Sam's emergency surgery. As time ticks by, Nick does his best to comfort Hannah and in doing so the two have a chance to reconnect. Meanwhile, the Pizza Girl is accosted by drunken frat members and Phil has to find a way to defend her without leaving the house. Elsewhere, Ikey and Allison decide what to do about their affair, and Eddie has to face up to standing up Janet.
When Aubrey begins to think that Nick still has feelings for Hannah, she tells him that he has to choose between her and Hannah. However, Nick's choice becomes more complex when an unexpected visitor shows up at Hannah's. Meanwhile, Nick and the guys plan a surprise for Eddie, but Eddie's response isn't what they had hoped. Ray continues his quest to destroy the gang's relationships by revealing Ikey and Alison's affair to Owen and Physical Phil is forced to make a life-changing move to win Pizza Girl back.
While Nick and Eddie head to New York to find Owen, who left town after learning about his wife's infidelities, Hannah wrestles with her true feelings for Nick.
When Nick returns from New York after convincing Owen to come home, Hannah decides to share his feelings with him. Meanwhile, Eddie has trouble expressing his feelings for Janet in public; another professor begins to be interested in Aubrey; and Physical Phil's one connection to the outside world could be cut off.
Owen wants Nick to report back to him with the details surrounding his wife's affair with Ikey. Meanwhile, Eddie is conflicted about whether he should reveal a secret that could end his business partnership with Nick, and Sam contests his mother's upcoming nuptials.
With the holidays rapidly approaching, Owen and Alison must work out an arrangement as to how they can both spend time with the kids during Christmas. While his parents are in town, Phil lies to them that he is an architect, which upsets his girlfriend. Meanwhile, Eddie begins to pull away after Janet gives him a very personal gift and Nick learns the truth about his deceased mother.
Christine, Ray's ex-wife, arrives in town and becomes angry at Hannah for allowing a "hippy friend" to watch her sons while Hannah is taking a veterinary tech exam. Meanwhile, Nick sets Ronnie up on a date, but Ronnie soon realizes his feelings for Aubrey; and Pizza Girl tries to convince Physical Phil to drive the classic car in his garage.
Nick is haunted by a comic book he wrote when he was a teen, when he and Eddie look to land a new project. Meanwhile, Hannah and Janet would like to go on a double date with their boyfriends.
Nick begins to think that Aubrey is keeping a secret from him when he overhears a mysterious phone call.
Nick learns Aubrey's secret -- she's meeting up with her estranged father. Ray tries to convince Hannah to fully commit to him by adopting Sam.
Nick worries about Aubrey when her father leaves once again, and he tells Nick to tell Aubrey why he's on the run. Meanwhile, Owen, Nick, Ronnie, Aubrey and Gabriel head out on a road trip to find the girl that saved Owen's life.
Nick makes a shocking discovery that he is broke, while Hannah deals with her mom as she prepares for her wedding. Meanwhile, Jenny, the beer delivery girl who saved his life is asked out by Owen.
While Nick, Eddie, Phil and Owen have problems with the women in their lives, they learn of the untimely death of their childhood crush.
A visit from Eddie's former girfriend (guest star Stacy Kiebler) sends Janet into a panic, Hannah is arrested, and Nick is offered a terrific career move.
After Eddie's ex-girlfriend resurfaces, Janet must cope with her visit. Meanwhile, Hannah's arrest affects her engagement to Ray and Nick must decide whether he should take a job offer that would once again take him away from Knights Ridge.