
A private detective solves cases in Los Angeles.

A missing bicycle provides a vital clue in Cannon's investigation of a salesgirl's mysterious death.

Cannon's simple assignment as bodyguard to a broker's daughter and grandchildren suddenly turns complex.

A disgruntled accountant plans to protest the production of deadly nerve gas by stealing a canister of the substance.

A thief dupes Cannon into providing him with a plan to change his identity and escape the country.