Mannion decides to take every missing case as a homicide case after a rich woman is reported missing, which causes some problems among the African-American community. Debreno is introduced as Temple's new partner, who is still recovering from his fiancée and his ex-partner's death. Ella is back at work, still recovering from breast cancer. Nancy considers going back to the streets as she recovers from Danny's death. Mannion investigates the main suspect on Danny's murder, and finds the suspect's apartment full of pictures of him, Sherry and his children. Sherry leaves and an anonymous call leads Jack to discover the suspect's body tied on his boat's anchor.

When police officer Robert Turner woke up one Thursday morning, he thought it was going to be just a normal day on the force. However, when a car plunged off a bridge into a river, Turner lost his life while rescuing the family inside. Now, Mannion and his team reflect on the life and death of one of their own. (from CBS)

Page and Debreno investigate the murder of a reporter, and evidence point them to a wheel-chaired man, who claims the victim was already dead by the time he found her. Mannion goes to NY for his daughter's graduation from police academy and has a hard time saying goodbye to Sherri. Meanwhile, Parras meets a charming man on a cab and thinks he might be ""the one"", and Brander confesses his love for her. Ella goes to Ricky's school to check on why he is having problems with his new teacher, and finds out she looks just like his late mother.

Mannion's friend Teddy Reed is the only witness to a Congressman's murder, and Mannion thinks she's lying about the whole situation. Meanwhile, the city erects a statue depicting a heroic act by three police officers, including Cutter, but many are infuriated when Cutter's figure is altered to represent someone of a different race.

The gangster wars have crossed the limits, leaving a blood trail and innumerous victims. Mannion has Temple working undercovered trying to reach the big boss on the drug dealing schemes. But it's not such an easy road and Temple is forced to try some crack in order to prove he's not a cop. That brings back ghosts from his druggie past, which Temple may no be strong enough to fight again. Meanwhile, Mannion himself interferes with the gangsters, interrogating young 12 year-old Junior about homicides. Later, Parras and Brander are victims of an ambush and are kidnapped by the gangsters. Luckily the police force rescues them before anything happens. Mannion sees no way out but turning to Richard Gray for help. With him, he gets the gang leaders to settle a non-aggression deal. When everything seems to be going back to its places, Temple looks for drug dealers to buy some crack. Ella turns down Clive's proposal to move to Seattle with him, and he decides to stay and marry her. And Mannion

Mannion, who is presumed to be dead, pops up in Paris to follow the Government official he believes is behind the attempt on his life. Back in Washington, D.C., Temple is stopped for speeding and an officer finds cocaine in the car, but Temple claims the drugs are evidence he obtained at a crime scene and forgot to turn in.

The wife of a heavyweight boxing champion is found murdered in her hotel room, and Temple, the first officer on the scene, comes under suspicion because of a past relationship with the victim, who was habitually abused by her husband. Also: a custodial worker at the police department is discovered to have a false identity.

While in L.A. Mannion unexpectedly meets up with Vanessa Cavanaugh and offers her a ride. Unfortunately the rental care is carjacked and the pair find themselves stranded in a deserted part of town after they get carjacked. Back in Washington, Deputy Mayor Lockhart asks Debreno to help her find a blackmailer who has a scandalous videotape that could destroy her career; Kendall is threatened by her ex-boyfriend; and Ella is offered a job by the mayor.