A man is burned to death. His widow hires Peter Gunn to find out who killed him.
An escaped gangster lives in a rundown apartment undetected, wearing bandages. He hires Gunn to locate his brother and finds out if the man was involved in a payroll robbery.
Three lonely rich sisters and one of them finds a boyfriend, but is he really interested in her or her money? Five dead wives tell a different story.
A young man is accused of murder, and the only witnesses for the defense are two nuns who are unable to leave their convent.
When Billy Arnet's girlfriend falls through a skylight to her death, Gunn is hired to prove it was murder, not an accident.
Singer Lynn Martel has lost all hope after her boyfriend has been killed. The killing was arranged by Nat Kreuger, Martel's obsessed boss. When Peter Gunn tries to help her, his life also becomes endangered.
After her husband is murdered, Louise Sinclair hits the bottle and her husband's lawyer consoles her.
Wealthy invalid Louise Reardon has an attempt made on her life and Gunn is hired to find her aide, Scully.
There's trouble in Texas when a cowboy gets clobbered, and his brother, a cattle baron, hires Pete to find his killer. The welcome is none too warm, even when Pete goes native and dons the local attire.
When gangsters try to extort protection money from nightclub owner Mother, she asks private eye Peter Gunn to intervene. When she refuses to pay, a bomb is set off in her night club.
Ten minutes before his execution, a convicted murder hires Peter Gunn to find the $700,000 he stole, hand it over to the bond company, collect the 10% reward, and give it to his daughter.
Fan Dancer Darling Lillian of The Green Dragon is given a special fan, one that holds the key to the past.