When Harry (Jack Warden) tries to return a stolen wallet he recovered from a pickpocket, he stumbles onto a murder. Harry is baffled over conflicting evidence involving a wallet, a pickpocket and a gun receipt.

Harry is hired by a midget wrestler (Tommy Madden) who's been receiving death threats. His investigation leads to a promoter (Vera Miles) who's afraid somebody wants to blow up her arena. Harry races against a time bomb to flush out someone eager to end a wrestling promoter's (Vera Miles) career.

Howard, Harrison's father-in-law, (Dick Van Patten) witnesses Harry in action after the country club president is murdered on the golf course.