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.

A Hacidic Jew and his grand daughter are mugged. A militant Jew organizes a vigilante group to find and punish the assailant, believing the police will never find him.

Lt. Jonas interrogates Jack over the death of Hopkins in custody.

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.

A woman comes into the station to report that she is being harassed by a group of clowns living next door to her. She tells them that they make too much noise all through the night and can often be seen participating in orgies through their windows.

A disabled man is beaten up and robbed in his own apartment. Jack and Nona try to help him out and recover his precious stamp collection. A collection built up over the years and full of memories.

Santoro's brother-in-law is arrested for possession of stolen goods, kept in a lock-up that has Santoro's name on the lease, which could cause problems for Santoro.

While visiting an apartment on official business Clem, Phil, Doyle and Hector hear shots coming from the floor above and chase the perpetrators to the roof. One is killed but the other gets away. They killed a family because drugs were being dealt from their apartment. The view of the officers is that it was more than a random occurrence and that a recently paroled drug lord, Jerome McFee, was involved in some way.