Wentworth is furious when Chano gets the credit for her bust of an assassin at a block party.

A taxi company is irate when Wojo totals a borrowed cab while pursuing a robbery suspect; Lieutenant Scanlon tries to ferret out 12th Precinct corruption with a drug pusher.

An accusation of an indiscretion on the part of Dietrich leads to a visit from the gleeful Lieutenant Scanlon of Internal Affairs; Yemana books a rabbi who is running a gambling casino in his synagogue.

Lieutenant Scanlon returns, this time attempting to ferret out corruption with a lie detector; Barney is suspicious of a furrier's robbery report.

When an anonymous letter identifies a member of the 12th Precinct as a homosexual, it buys the boys a visit from Lieutenant Scanlon, who proceeds to make a witch hunt out of his search for the author. Meanwhile, a disgruntled shopper takes a fire axe to an elevator's MUZAK machine.

A lottery winner dispenses of the prize money by tossing it out a window; Sgt. Dietrich is arrested for his off-duty participation at an anti-nuclear rally; Barney discovers he can't afford his condo-converted apartment.

Harris gets the unenviable task of booking his colleague Dietrich, whose arrest prompts a visit from Internal Affairs; meanwhile, a nuclear engineer is brought in for dousing the participants with atomic water.

Harris is assigned to direct a pornographic movie; an old-time radio newsman assaults a vacuous television anchor.

A murder witness is uncooperative, so he, Harris and Dietrich are forced to share an apartment in seclusion until he talks; Lieutenant Scanlon falls for a wealthy mugging victim.

Unless he confesses soon, Harris and Dietrich's unwilling roommate may witness another murder. Meanwhile, harassment charges are pressed against Lieutenant Scanlon.

Friends, foes and felons alike drop by to pay their last respects as the detectives prepare to leave for new assignments; Harris contemplates his resignation when he's assigned to Flushing Meadows; Barney recalls friends departed before he turns out the squad room lights for the last time.