Lesniak deals with a perpetrator and his "high priced lawyer and shrink" when he repeats the offense. Meanwhile, Detective Solomon uses a fast pull to take a possible serial killer case away from Simone after he brings in a possible suspect. One of Fancy's old contacts, Vinnie Greco, brings in a tip about a couple of guys looking for some heavy arms to do an armored car job and Sipowicz works with him, but Greco is working for someone else against Fancy. Sipowicz invites Andy Jr. over at his place for dinner where his son tells him that he is joining the Air Force. Also, Sipowicz proposes marriage to Sylvia and this time, she accepts.

After discovering a key piece of evidence, Simone gets his chance by Detective Archie Solomon to question the serial killer suspect George Putnam. Meanwhile, Sipowicz, Medavoy and others work on how to stop the armored car robbery and Fancy has a confrontation with Haverill about using his informant, Vinny, as a pawn to try to bring him down and plays a tape for Haverill which he reveals his true attitude which results in his resignation as the zone commander. Also, Martinez and Lesniak arrest an odd extortionist, while romantic feelings for each other begin to appear, and Simone also develops romantic feelings for his writer friend Benita Alden.

Fancy works with Martinez to help him get ready for the inter-precinct boxing tournament. Meanwhile, Simone is attracted to the new undercover cop, Diane Russell, who is working with him to catch a wanted arsonist in a sting in which Lt. Fancy's informant, Vinny Greco, returns to offer more advice and annoyance to everyone. Elsewhere, a woman that Sipowicz gets to testify in a case is murdered by the men she was going to testify against, and Sipowicz tries to prevent the murdered woman's husband from going after the gang members responsible.