Billy Arnet's girlfriend falls through a skylight, to her death. Peter Gunn is hired prove it was not an accident but murder.

B.E. Raleigh's only relative, a nephew named Martin, was imprisoned for stealing from his uncle's company. Now that the Uncle is dying there are many attempts on the rich uncle's life to make his demise quicker.

Wealthy invalid Louise Reardon has an attempt made on her life and Gunn is hired to find her Aide, Scully.

Gunn is hired to accompany a coffin to Mexico City, the hitch is that there is no body in the coffin only money stolen during a robbery.

Nancy Fowler is murdered and Pete is hired to find out why. He finds that it's a setup for a bitter wife married to a wealthy older man to get his money.

An attempt is made on Arnold Simpsons' life when he hires Gunn to find out who is blackmailing him. He tells Pete about a dig he was on with Frank Victor and how he abandoned him when the cave collapsed. Gunn is sent to the Blue Pheasant to pick up a parcel for Simpson and delivers it to him and is stunned when it goes off.

An escapee from a mental hospital gives the Mayor an ultimatum, either commit suicide or a bomb will be detonated at the Civic Centre.

Gunn is "Sentenced" to death for the murder of a clerk, but he escapes jail.

Arnie Kelton musician and ex-convict, asks Gunn to investigate his wife's death.

Employee Arthur Cole accuses his boss of killing his wife and hires Gunn to prove it. There is a twist and it leads to the suspect being Cole instead.

Ventriloquist Marvelous Marvon is found murdered after his act. Gunn is hired by Marcel Benoit to the find killer. Rinaldo his Dummy, turns out to be no dummy.

A little man with homemade bombs has been blowing up four or five gangsters at a clip. Now the mob boss' have hired Gunn to find the culprit.

Charlie Barnes is arrested for bank robbery and is cut a break to attend his daughter's wedding with Gunn as his watchman and then disappears.

A secretary has important papers that incriminate her boss and becomes frightened when attempts are made on her life, at least that's the story she gives Pete. The real story is that Lyles a bank robber offs two of his cohorts after looking for the key to the safe deposit book where the loot is.