C.D. meets her new partner, Angela. Peter and Magda discover illegal Asian immigrants who are being forced to work. Kate is heartbroken by how Jinny is acting and shocked at the news her 18 year old daughter Angela has come to tell her.
Peter and Magda bust up a meth lab. Jinny has to go undercover to bring down a strip club owner. Kate begins having a relationship with younger man, who also happens to be the District Attorney. Angela and C.D. probe the death of a homeless man.
C.D. and Angela have a major disagreement on how to investigate a murder. Jinny feels as though she is being punished when Kate makes her investigate the death of a murdered do. Kate and daughter Angela have a fight about the wedding.
Kate is eager to solve the case in which two officers kill an unarmed man. Jinny's drinking causes her to mess up a case. C.D. suspects a husband has killed his wife based on evidence she found in his wallet.
The inspectors must race against time to find a baby that was in the backseat during a carjacking.
Angela must look into the unexplained death of a famous local reporter. Magda and Jinny must watch a young Columbian who swallowed cocaine to gain entry into the United States. Amanda comes to Kate with details about her impending wedding.
C.D. and Jinny probes a case in which a woman was brutally raped. Peter and Magda go to Minnesota to extradite a murderer. Angela fights with her husband over whether or not to have children.
Magda and Jinny investigate the death of a college student and find something interesting about the school and Jinny's younger brother; Meanwhile, C.D. and Angela probe a disturbing case of elder abuse and Kate and her younger boyfriend argue about their relationship.
Going undercover at a gun show, Peter and Magda discover that a dealer is selling weapons used in previous crimes. Meanwhile, Angela and C.D. must deal with a former cop who seems to be on the verge of a nervous breakdown.
A teen who sets his school on fire goes missing and Jinny and Magda search for him; C.D. and Angela investigate a series of mysterious deaths at a local hospital; Magda and Peter talk about their relationships, both professional and personal.
Kate decides to re-open her very first homicide case because the wrong man may have been convicted; Magda and Jinny investigate the death of an Asian man; C.D. confronts her husband about his infidelity.
Jinny is a target of what seems to be a random shooting; Angela and C.D. probe the death of a pizza deliveryman; Magda and Peter still struggle with their feelings for one another.
Kate must deal with an upcoming murder trial and has the inspector try to find missing and reluctant witnesses; C.D. finally finds out more about the murder of her former partner; Angela has a surprise for her husband; Jinny's boyfriend wants their relationship to go to another level.
Kate irritates her future son-in-law by taking control over her daughter's medical crisis; Jinny and Magda try to help a troubled teen; Angela and C.D. re-evaluate their relationship after a trying stakeout.
A judge has been sexual harassing Magda which may work against her as she is an important witness in a murder trial. C.D.'s deceased partner's informant is arrested for the murder. Kate and her sister must deal with their own relationship as their mother's health deteriorates.
Jinny and Magda probe the death of a compulsive gambler; After C.D. reveals to Angela the real reason her partner died, their relationship is tested; Magda bumps into Ben's estranged father, Gabe.
Magda must go undercover as a prison inmate; C.D. and Angela get more than the expected while serving a subpoena; After Jinny meets both Teddy's family and his ex-girlfriend, she begins drinking again.
Jinny and Magda must investigate why a Latina gang member killed another; Angela gets an internal investigation after she accidentally kills a man with a choke hold.
C.D. and Deluca probe an attempted murder attempt; Jinny ruins her relationship with Teddy by sleeping with another man.
Magda has to go on a drug bust alone after Jinny is late; C.D. and Angela probe what they believe is an accidental death, but soon find out otherwise.
Kate, C.D., Angela and Deluca help the FBI investigate a serial killer in the San Francisco area; Magda must go and pick up Jinny from the station after she goes on a drunken bender.
Kate suspends Jinny for her drunken actions; Magda begins secretly organizing an intervention for Jinny.
Jinny returns from rehab and demands back her ID, gun, and badge; C.D. gains a new partner, Nate, and they investigate the assaults of pregnant prostitutes; Magda (with help) must solve a murder case involving a little girl whose parents are linked to a drug deal that went bad.
Kate works with Jinny and Magda to find out if a politician actually killed his intern; C.D. and Nate discover that thousands of dollars were stolen so a man could pay for his child's medical bills.
Jinny and Magda investigate a murder with an unbelievable motive and C.D. and Nate investigate a death caused by a hit-and-run.
Kate investigates an arson that killed two people; Jinny sees her ex-boyfriend for the first time since exiting rehab; C.D. and Nate discover a dead body inside a church.
C.D. and Nate try to solve a tough murder case; Raina gets a confession out of a suspect, but forgets to read him his rights.
Magda tries to get an elderly woman to admit that she's being abused by her husband; Raina tries to rid herself of her rookie status by trying to solve her first murder case.
Jinny makes a decision that might cost her job; C.D. and Nate probe the death of a high school bully; Magda's son, Ben, goes missing.
Jinny and Magda try to figure out why a mother killed another suburban mother; C.D. and Nate are on the trail of the murder of a stalker; Kate's daughter visits her unexpectedly.
C.D. and Nate ask a psychic for help in finding a missing little girl; Jinny's AA sponsor asks her to seek forgiveness from Magda; Magda's sister, Lily, is out of jail and is causing nothing but trouble; Kate's mother passes away and she has a tough time dealing with it.
Jinny and Magda investigate the death of a rock star who also attended Alcoholics Anonymous; Jinny has to face her past while attending AA.
C.D. and Nate investigate a kidnapping; Raina tries to convince a young boy, who is a witness to a gang murder, to testify; Jinny becomes uncomfortable trying to help Magda's wedding.
Jinny and Magda investigate the death of a drug addict; Kate has reservations about a man she put in the jail who is coming up for parole; Nate is worried about his Down Syndrome sister after she announces she's gotten engaged.
C.D. and Nate attempt to help a 12 year old girl who was found with heroin in her backpack; Jinny and Magda seek to get a rape victim to unblock memories of the attack to help solve another similar rape; Kate is about to turn 50 and begins reflecting about her former marriage.
Raina's old high school rival turns to her for help in getting rid of her secret admirer. In the meantime, Jinny and Magda suspect a murdered woman may have been killed by one of her own co-workers.
C.D. and Nate have to investigate the death of a female Marine, under the watchful eye of a JAG lieutentant; Jinny and Magda investigate the death of teenager at a rave; Raina finds out something shocking about her new boyfriend, Dom.
C.D. and Nate probe whether a judge is involved in the murder of a young woman; Jinny and Magda have to go undercover to bust a woman who's performing unauthorized cosmetic surgeries; Meanwhile, Kate finds the experience of a dating service harrowing.
Magda and Gabe's wedding day finally arrives, but Magda is nowhere to be found; C.D. and Nate must investigate the murder of a famous advice columnist; Kate's personal life becomes complicated when her ex-husband Louis finds out about her new beau.
Jinny faces a difficult decision when her AA sponsor falls off the wagon. Meanwhile, Magda begins assuming the worst when her son becomes sick and the illness does not go away and C.D. and Nate try to find out who killed an assistant to a private investigator and the reason why.
The team searches for a serial killer who only strikes during a full moon, which happens to be on this very night.
As Magda and Gabe struggle with Ben and his leukemia, Raina is stuck on a hijacked bus and it is up to the rest of the division to find a way to save all the people aboard.
C.D. and Nate are on the trail of a hate killer who has a hit list; Jinny finds out her father has been keeping a secret; Raina takes the inspector's exam; Magda and Gabe's son, Ben, continues to get worse despite treatment for his leukemia.
Jinny's father collapses after she confronts him; Magda and Gabe desperately search for a bone marrow donor; Raina passes the inspector's exam as the rest of the crew must find the racist killer, who may strike again.
C.D returns from her vacation, without Brian, and goes right to work investigating the kidnapping of a little girl. Jinny and her newly discovered sister are still at odds and Raina goes on her first case.
C.D's mother arrives unannounced and brings up some bad memories; Jinny must team with Raina as Magda's son's health causes friction between her and Gabe.
Kate receives interesting proposals from both work and Louis; Magda returns to work and she and Jinny must solve the murder of a young woman who was about to testify in a sexual assault case; Raina must deal with her parents' recent separation.
Nate, C.D. and Raina must investigate the murder of a young college woman whose life was being broadcast unknown to her on the web; Jinny comes to a realization of her marriage to Jack.
A copycat serial rapist who only targets disabled and hearing-impaired women on a college campus prompts a hearing-impaired professor to contact the police about her own rape.
C.D. reluctantly agrees to go undercover to help Nate's ex-partner; Raina investigates the tragic hit-and-run of a 7-year-old girl.
A woman comes to the police and says that her husband is stalking her and soon later he turns up dead; Jinny's father is worried that he is being shut out of her life; Magda and Gabe are forced to put their house on the market to help pay for Ben's rising medical costs.
Kate must navigate her way through a political minefield when a friend speaks out in support of legalizing medical marijuana. Meanwhile, the captain's team of investigators is wrapped up in the case of an Asian woman found dead in the water under the Bay Bridge.
C.D. and Nate must find out who an abandoned newborn belongs to; Gabe invests some of his money without consulting Magda; Jinny ponders about quitting Alcoholics Anonymous and Kate gets some unexpected news from her daughter.
Magda and Jinny investigate the death of a prominent lawyer as Jinny trades one addiction for another; Meanwhile, C.D. invites Nate and Lily to a special dinner.
Magda and Raina must investigate a mother accused of horrific child abuse; C.D. and Nate look into a robbery at a restaurant and Jack finally confronts Jinny.
The inspectors search for a hired assassin who is suspected of murdering of an extremely wealthy businessman. Meanwhile, the race for chief of police heats up with Kate in the middle of it all.
The daughter of a prominent businessman has been kidnapped and C.D. and Nate are on the case; Magda goes ahead and accepts a dinner date with Jonah and Jinny's prescription drug dependency increases.
The death of Jinny's brother leaves her with tons of memories she'd rather forget; C.D. and Nate probe the case of a psychiatrist of raped one of his patients; Magda wonders if she should continue her relationship with Jonah.
Jinny decides to quit her drug addiction cold turkey; Raina investigates the death of a woman who was shot outside an AIDS clinic.
The inspectors investigate the death of a high school boy; Jinny decides to find out why God took away her mother at such a young age.
A woman stages a protest to keep her homeless shelter open, even after a boy who lived there is accused in a murder. Meanwhile, Raina finally gets to meet her birth mother.
Kate is close to getting the Police Chief job, but as the day goes on, her health begins to worsen.
Just as Kate receives news of her Police Chief job, she is rushed to the hospital; Magda continues to worry about Jinny.
Jinny and Raina look into the deaths of two young lovers. Magda thinks she might be pregnant but doesn't know if it's Jonah's or Gabe's. Lily finds out a secret about Nate.
Magda tells Jonah that she might be pregnant with very mixed results; Kate finally comes home from the hospital; C.D. and Nate investigate prisoners who have escaped custody and killed a federal officer.
Jinny finds out who might have killed her brother and vows to catch the killer. Kate visits her old job and doesn't like the way the new boss is handling it. Magda ends her affair with Jonah and one of the division members is shot.
Nate gets a new partner, Raina, after C.D. abruptly leaves the division. Jinny reveals to Magda that she received divorce papers from Jack and ends up chatting up the newest sketch artist.
Magda and Jinny try to find a burglar, who likes to prey on women but keep getting sidelined by a female bounty hunter. Meanwhile, Kate fights to keep her granddaughter after her surrogate mother wants her back.
Internal Affairs begins investigating whether or not Jinny used correct procedure after shooting the man who killed her brother.
Raina investigates the reason why a baseball player is accused of rape and Magda receives a shocking surprise from Gabe.
Nate and Raina probe into a suicide of a man who lives at the same place as his sister.
The inspectors try to discover why two gay men were attacked at an AIDS charity benefit. Jinny finds it difficult to tell Jack that she has found a new love with Hank.
Jinny and Magda investigate a fire that caused a stampede inside a nightclub.
A child molester is set free by a Supreme Court ruling but then is later murdered. Suddenly, his victims are suspects and the investigators have to find out who did the crime.
Jinny has some surprising news for her new boyfriend; Nate begins an affair with a married woman; The division tries to stop a wealthy man's drug-trafficking business, but find it even more difficult when his wife becomes involved.
The inspectors must investigate a family to solve a deadly car bombing; Nate's relationship with a married woman takes some unexpected turns; Jinny and Kate both struggle with family and relationship issues.
A teenage girl is abducted and time is quickly running out; Magda and Gabe try to work out their marriage and deal with Magda's adultery.
A drug dealer is murdered in an upscale San Francisco neighborhood; Nate is thinking about breaking up with his girlfriend after he thinks she's mentally disturbed.
The investigators must go undercover after a whistleblower states the city's must vulnerable children are in trouble; A recovering drug addict kidnaps her child from a foster home.
After the victim of a vicious crime awakens from a 9 year coma, the division seeks to find the perpetrator of the crime.
Stacy discovers an illegal immigration ring through one of her friends. Regan continues to try to find evidence that will prove her son's innocence.
Raina is abducted by a killer who preys on young women; Stacy finds herself caught between her past and future when her ex-fiance shows up.
A homicidal maniac demands that a murder suspect be released or he will kill Raina as she uses all her strength to stay alive until the inspectors find her.
The inspectors try to discover who killed an assistant D.A. and turn up some shocking surprises; Raina and Stacy taking dangerous turns; Jinny seems to be a little too overprotective with her baby.
A reporter helps the division find the truth behind a gang turf war; Stacy must decide if she wants her ex-fiance or move on with her life without him.
A missing pregnant woman turns up murdered and there are many more suspects than imagined; Kate begins suffering from empty-nest syndrome.
The squad is put on a high alert after a school is threatened with total destruction by armed gunmen. The division must find a way to rescue the students caught inside. Meanwhile, Jinny's upcoming nuptials make her fellow inspectors re-evaluate their commitments to their own significant others.
In the series finale, armed invaders threaten to blow up a school with 10 students and one teacher trapped inside. As the clock ticks, all the division try to figure out who these terrorists are and how to stop the villainous plan. All this happens on Jinny's and Hank's wedding day, no less.