Bobby comes to the aid of his old friend Paulie after Paulie’s sister begs Bobby to help her brother with his drug addiction, but becomes enraged when Paulie breaks into…

Faith and Bosco hunt down the dealer who distributed a batch of lethal heroin; depressed over Bobby’s death, Kim attempts suicide.

Ty, Sully, Bosco, and Faith rush to the scene of a school shooting; Sully and Tatiana ponder their future together; Kim continues to struggle with her depression.

The ordeals of an elderly friend prompt Sully to consider his own loneliness; Alex regrets revealing that she discovered Jimmy on the eve of his wedding having sex with an…

Bosco, Yokas, Sully and Davis search for a cop killer on the streets, and cope with an obnoxious new sergeant at the station house.

A secret threatens to destroy Jimmy’s relationships at work and home; Sully makes a date with his pretty neighbor; Bosco gets violent after his mother is beaten by her boyfriend.

Sully is upset when he is wrongly accused of falsifying evidence; Bobby helps one of his former teachers dying from cancer; Carlos deludes himself into thinking that Kim is falling…

Chevchenko has Tatiana’s son killed; Fred comes home from the hospital; and Davis gets a job offer.

Bosco roams the city looking for Faith, and finally tracks her down just as Faith manages to carry Fred out of the building after rescuing him from the elevator. After…

Bosco gets a temporary assignment working with a tough female sergeant; Fred is strangely calm in the face of the prospect of a triple bypass; Doc hears shocking news from…

Yokas and Bosco try to find a missing boy whose parents think has been taken by a registered sex offender; Sully prepares to be questioned about his wife’s background

Doherty, riding on his motorcycle, is first to arrive at a multivehicle collision; Taylor is hit by a car; Tatiana goes to see Chevchenko, and tragedy ensues.

Rescuers find the body of Alex’s father, and he is given a hero’s burial; Faith and Bosco tail a convicted rapist released on appeal, certain that he will rape again;…

Doc visits Ryan, who’s now walking during his physical therapy sessions. Carlos decides to take a ride on the fire pole and falls, losing consciousness. Doc, Kim and Alex bring…

The police officers sort through the carnage and count their dead in the wake of a shootout between rival gangs. While Faith tries to interrogate Fyodor Chevchenko, a ruthless Russian…

During the investigation of the gang shootout, the officers are questioned and presented with evidence which suggests that Ross was killed by friendly fire; Carlos learns that Vangie is dead…

Hopelessly in love with Kylie and concerned that she will lose her Latina heritage if she is adopted by a white couple, Carlos considers raising her until he realizes that…

Alex wants Ty to keep their relationship quiet. When Carlos almost walks in on them, he’s so shocked and happy that Ty is straight that he doesn’t realize that the…