Hill, Renko and Buntz look like heroes when they retrieve a stolen heart needed for a transplant; rookie officer Ron Garfield finds himself in trouble again when a second gun shows up at an officer involved shooting; and Belker misses his wedding ceremony when his undercover as a cocaine cooker heats up.

IAD Shipman continues investigating the Garfield shooting; Hill gets a nasty surprise when he and Renko draw duty delivering corpses to the morgue; Belker is kidnapped on the eve of his second scheduled wedding.

On his way to work, Hunter shoots a boy robbing a convenience store; Jablonski refuses to follow his doctor's orders about heart surgery ; the P.D.'s go on strike over job cuts by the city council; Belker struggles to protect senior citizens victimized by a violent mugger; and LaRue and Washington stake out a luscious young woman suspected of being a fence.

Renko erupts in jealousy over Daryl Ann's business partner; Flaherty allows his feelings for Russo to interfere in a bust; Calletano returns to Hill Street when a Spanish speaking citizen is shot by a cop unable to understand him; and Kate McBride relives her father's death at an awards ceremony.