The investigators work to resolve the hostage crisis at a local Bay area school; Jinny and Hank's wedding.
A Bay area school is under siege; Jinny's upcoming nuptials influence the other inspectors.
A prominent doctor is a suspect in his wife's murder; Kate finds herself alone when Jill takes Katie-Ann to Los Angeles.
The investigators believe they are in the middle of a gang war; Stacy must make a decision about her ex-fiance.
The detectives delve into the personal life of a district attorney when he is found murdered; Raina poses as a prostitute; serving subpoenas turns deadly for Stacy.
The detectives race against time to find Raina and the people who are responsible for her abduction.
Raina and her boyfriend face a crossroads in their relationship; Stacy gets a visit from a former fiance; the detectives search for a serial murderer.
Stacy uses her skills to help a friend search for her missing sisters.
A victim of a violent crime awakens from a coma after nine years.
The city's foster homes are investigated after a recovering drug addict suspects her child is being abused.
Someone murders a small-time drug dealer; Nate ends his affair with Suzanne.
The search for a kidnapped teenage girl takes an unexpected twist; Magda and Gabe rekindle their marriage.
A deadly car bombing leads the investigators to a family riddled with greed; Jinny grapples with pregnancy; Kate deals with family issues.
Raina and Nate arrest a businessman for drug trafficking; Nate begins an affair with a married woman; Jinny tells Hank that she is pregnant.
The investigators search for the murderer of a child molester; Stacy and Raina become roommates; Raina struggles with her past.
Jinny and Magda investigate a fire and stampede in a nightclub.
Two gay men are are attacked after an AIDS benefit concert.
Nate and Raina investigate a suicide of a mentally impaired man living at the same assisted-living facility as Nate's sister.
A professional baseball player is accused of rape.
A woman's compulsive sexual behavior may gotten out of control; Internal Affairs investigates Jinny; Magda fights to save her marriage.
Jinny and Magda rush to find a dangerous burglar; Raina's relationship with a baseball player takes on new considerations.
The squad investigates a pit bull attack; Jinny meets a new man; Kate receives an unexpected gift from her daughter.
The inspectors continue to hunt for three escaped convicts; Kate has second thoughts about her resignation; Jinny comes face to face with her brother's murderer; C.D. and Nate admit their feelings for each other.
The inspectors search for three escaped prisoners; Kate learns she will not become police chief; Jinny says goodbye to Jack; Magda finds out she is not pregnant.
Raina monitors Kate's recovery; the inspectors investigate the suicide of two teenagers; Lily and C.D. throw Nate a surprise party.
Kate begins to recover from a stroke; Magda encourages Jinny to start seeing a therapist; investigating the murder of a young woman.
Evidence is stolen from the morgue in a high-profile case; Kate is her own worst enemy in becoming the next chief of police.
Kate finds herself in a difficult political position; Raina must confront the truth about her biological parents.
The inspectors investigate the death of a high-school football player; Nate and Lily redefine their relationship; Jinny seeks guidance from a higher power.
Jack and Magda help Jinny confront her addiction; Raina, C.D. and Nate investigate a robbery homicide outside an AIDS hospice.
C.D. and Nate investigate a psychiatrist accused of rape; Magda contemplates having an affair with Jonah; Jinny's brother dies in the line of duty.
The daughter of a wealthy businessman is kidnapped; Magda accepts a dinner date with Jonah; Jinny grows more dependent on a prescription drug.
The inspectors search for a hired killer suspected in the death of a wealthy businessman; the race for police chief heats up.
Magda and Raina investigate a woman accused of child abuse; C.D. and Nate investigate a restaurant robbery; Jack confronts Jinny.
Jinny and Magda investigate the murder of a lawyer; Jinny may be trading one addiction for another; C.D. invites Nate and Lily to dinner.
Raina helps C.D. investigate an abandoned newborn; Jinny thinks about quitting Alcoholics Anonymous; Gabe and Magda look for a way out of their financial problems.
A woman's body turns up under the Bay Bridge; Kate faces a political bombshell when a friend endorses the use of marijuana for medical purposes.
Raina helps C.D. and Nate investigate a stalking case involving a wealthy woman; Magda and Gabe put their house up for sale.
Nate and C.D. go under cover to help Nate's former partner.
A serial rapist preys on women with disabilities on a college campus.
CD, Nate and Raina investigate the murder of a college student.
Kate and Louis renew their relationship; Jinny, Magda, C.D. and Nate investigate a murder.
C.D. confronts some painful memories when her mother makes an unexpected visit.
Inspector C.D. Lorenzo returns from vacation and starts working on a child kidnapping case.
Jinny's father collapses; Magda and Gabe search for a bone-marrow donor; C.D. prepares for a romantic vacation with Brian; Raina passes the inspector's exam.
C.D. and Nate are on the trail of a killer; Jinny finds out her father has been keeping a secret; Raina takes the inspector's exam.
Two disgruntled employees take over a bus full of hostages; Magda and Gabe come to terms with Ben's leukemia.
C.D. and Nate search for a serial killer; Jinny wants to rekindle her relationship with Teddy; Magda helps a young woman who claims her mother's killer is harassing her.
Jinny's sponsor slips back into drinking.
Before Magda's wedding, she and Jinny try to catch a serial 'hair bandit.'
A judge may be involved in a young woman's murder.
A teenager overdoses at a rave.
Jealous co-workers may be involved in a woman's murder.
A 12-year-old girl goes to school with a backpack full of heroin.
Kate's friend leads a fight to release a talented artist who is a convicted killer.
A man kidnaps his children and forces his ex-wife to falsely confess to the crime.
A former rock-star may have been murdered.
A psychic helps to find a missing girl.
Jinny and Magda investigate the vehicular murder of a suburban mother.
Jinny kills a man who is beating a drug dealer to death.
Jinny and Madga suspect that a wealthy older woman may be the victim of abuse.
A woman comes to the precinct with information about a bomber.
C.D. and Joe discover the body of a woman wrapped in a bed sheet in a garbage dump.
Jinny and Magda investigate the murder of a man by his wife's son.
Kate, Jinny and Magda investigate a politician for the suspected killing of a missing intern.
Jinny returns from rehab and demands her gun, ID and badge back.
Magda organizes an intervention for Jinny.
The FBI investigates a serial killer; Jinny goes on a drunken bender.
Magda goes on a biker drug-bust by herself; C.D. and Angela uncover an elaborate plot to kill a diamond broker.
A fan attempts to kill a famous teenage criminal; Jinny cheats on Teddy.
A female gang member commits murder; Angela is investigated for police brutality.
A reporter is stabbed; Magda goes undercover disguised as a prisoner.
A woman's compulsive gambling leads to her death and her family's financial ruin; Dick's secret snitch is charged with his murder.
A judge sexually harasses Magda; Angela suspects C.D. of covering up information related to Dick's death.
A wealthy man wants to have his unruly teenage daughter declared mentally incompetent.
Jinny and Magda arrest a community leader to protect him from the drug-dealing gangs he is trying to eliminate.
C.D. and Angela investigate the murder of a pizza-parlor owner; Jinny becomes the target of a stalker.
Kate uncovers evidence proving the innocence of a death-row inmate; Jinny and Magda investigate a murder in Chinatown.
Peter's wife threatens Magda; a teenager sets fire to his school; a doctor poisons an elderly patient.
Magda and Peter work as security guards at a gun convention; an officer holds his ex-wife hostage.
A college student appears to have died from alcohol poisoning; Jinny's brother reveals that he is gay.
C.D. and Jinny partner on a rape case.
A city official may be behind a reporter's murder; a drug smuggler swallows 20 bags of heroin; Amanda cheats on her fiance.
A carjacker takes a baby.
Kate spearheads an investigation of two cops who shoot and kill an unarmed man.
C.D. and Angela lock horns over how to proceed with the investigation of a female murder victim with a cell phone found on her body.
Angela beats C.D. at target practice; C.D. spies on her adulterous husband; Magda's sister works at a meth lab; Jinny, Diggs and Ritchie bust a club.
Detective Angela Reid joins the San Francisco Police Department.