After the discovery of two murders, Commissioner Chabrier, of the French secret services, is investigating the disappearance of plans affecting the national defense of the country robbed by a gang of international spies.
Giovanni used to be a humble, mild-mannered government clerk whose life was turned upside down when he met Giulio, a notorious forger who at once set about manipulating the over-confident man.
Convicted killer Jim Holden is rescued from the sheriff by his gang, led by Mason and Riley. He is out to get the Hathaway Stage superintendent George Bannister, who was responsible for his conviction and learns the Bannister, his niece (Kay) and Hal Hathaway, son of the stage line owner, are on a cross-country stage.