A secretary sends a coded plea for help in her monthly report; two detectives investigate and find out that men are jailed on phony charges, forced to work in oil fields and then murdered if they try to escape.

Detectives Dick Williams and Andy McAllister find themselves trying to solve several crimes at an isolated mentally-ill hospital, where the patients range from slightly daffy to criminally insane, and they don't know which is which. A gang is out to steal a fortune inherited by one of the patients and, before Dick and Andy solve the case, several patients are transferred to the cemetery. And 'tiddlie-winks" are indeed involved.

Two FBI agents are sent to investigate sabotage at a lumber camp.

A shifty boxing promoter places an amateur in fixed fights, then hands his contract over to an suspicious female investigative reporter as a raffle prize. He later regrets his actions, however, when the boxer becomes an honest champion.

The brash, opinionated owner of a nightclub manages to drive everybody crazy on a boat trip to Havana.

An army sergeant recognises a young recruit as the man responsible for his brother's death, while attempting a robbery.