An assassin critically wounds a visiting dignitary and Stone and Briggs must thwart the killer's plan to finish the job.

A player in a poker game aboard a yacht bets his life and loses, and Jim and a policewoman pose as high rollers to enter the game and nail the killers.

Herbie, a lovestruck bellboy, interferes with Sam and Jim, who are pursuing the object of his affection, Sherry Martin, for her role in a brokerage firm robbery.