A vengeful father declares war on the police.

A headless torso's discovery causes grief at the precinct.

Bosco is suspicious of his brother's defense attorney.

Rival investigations clash over two drug dealers.

Monroe is suspended after her gun is used in a crime.

Cruz believes Bosco's brother is involved in a shooting.

Bosco's trouble-prone brother offers him a tip.

One of the precinct's own takes his co-workers hostage.

Bosco overreacts when a gangster provokes his mother.

Kim worries when Doherty is offered a promotion.

Police are on alert after a woman is murdered.

An anonymous caller alerts police to a young man bleeding in an alley.

Just before Christmas, Sully rushes into a fiery house.

Bosco and Monroe attempt to stop a small-time mobster.

Cruz and Bosco work with the FBI to pursue a suspect.

Davis confronts the biker trying to kill Judge Halsted.

The NYPD special unit scrambles to protect the jurist.

Cruz looks for a way to move herself back up the ranks.

Doherty finds it difficult to earn his men's respect.

Doc gets a taste of paramedic bureaucracy.

Doc deals with the loss of Alex Taylor and Johnson.

Yokas lies injured after a shootout.