A gang attempts to extort money from Mother. When she refuses to pay, the gang dynamites her club and critically injures its owner. When the police investigation into the bombing moves too slowly for Gunn, the detective goes hunting for the man he holds responsible

Gunn is hired by a jazz club owner to prove one of his musicians has been framed for murder, but the musician's lawyer doesn't want Gunn's assistance.

When newspaper editor George Walker is viciously attacked by a German shepherd, he calls on Peter Gunn to find out why, and his suspicions center on Carl Kane, a powerful and shady businessman. Gunn's path to the truth leads through late-night strong-arm meetings, a poetry-quoting bum and Walker's overly helpful assistant

A surprise murder witness refuses to talk to anyone except Peter Gunn.

A low-level mobster, the Frog (Stubby Kruger), is stabbed on a dock and falls into a river, his jaunty green hat floating above him. The Frog was waiting to meet Peter Gunn, who is jumped when he goes to the Frog's apartment. Gunn kills his attacker, setting off a police investigation into the deaths.

A young man enters his apartment and is immediately put into a sleeper hold by a huge assailant waiting inside, in the dark. The assailant hoists the victim into a hanging noose, and kicks a stool out from under him. The death is ruled a suicide. The giant is an assistant to Ahben Vanesku, a cult leader who hires Peter Gunn to find a female cult member who supposedly embezzled $ 200,000 from the c