A teen drug addict grabs Fish's gun and hold the precinct hostage; Captain Barney Miller must talk him down.

The men look for a "mad bomber" who placed a bomb in the squad room; Fish contemplates the idea of retirement.

Money is missing from department store receipts left in Wojo's safekeeping; Barney saves the life of a suicidal flasher.

Barney's friend is assigned to investigate allegations of corruption in the 12th precinct; Chano pursues an obscene phone caller.

Wojo is attracted to a hooker picked up on a raid.

A drug stakeout fails when the entire neighbourhood knows the detectives' whereabouts.