A violent criminal shoots a police officer outside his station and then goes on a rampage. A chase erupts through the streets ending with numerous wounded and dead. The criminal is captured and dragged into the station, because there is also a sniper shooting at the police, where he consequently dies.

Did he die from his wounds or was he beaten to death by the cops?. His sister and a priest want to know the truth, and are determined to find it.

The repercussions of Hopkins' death (the violent criminal from the pilot) in the station continue as the Internal Affairs department investigate and Hopkins' sister brings in her own lawyer to find out who 'murdered' her brother.

The O'Donnells' father is murdered, the son thinks he was killed by one of the Westbrook boys, their next door neighbors and constant adversaries.

Jack has to go to a grand jury over his alleged participation in Hopkin's death and has to wait to see whether he still has a career or not.

Jack plans to marry Elena, an eastern European woman he met a short time ago, to help her with her immigration problems.

Members of an opposing gang raid a hospital to try and kill an already wounded member of another gang. To stop an all out war between the two gangs the precinct make arrests and then arrange a sit down talk between the two gang heads.

A lawyer sues Phil and Ann-Marie for, among other things, allowing a suicidal woman to leap from a building onto his car.

An arrested drug dealer dies in a cell in the station house. The coroner determines that he died from strangulation, which puts Doyle in a jam as he was the arresting officer and was supposed to have kept an eye on his prisoner.

Clem is approached outside a supermarket by a man who has a plan to scam the business' owners. A sting is set up to arrest the man but things do not go according to plan.