Tom Brewster and Christopher Colt join forces to capture a gang of outlaws. Brewster disguises himself as the infamous Canary Kid and makes contact with the outlaws; then the real Kid escapes from prison and heads for the gang's hideout.

Government agent Chris Colt suspects that recent prison breaks have been supervised by the Canary Kid, an imprisoned outlaw. Colt asks Sugarfoot to take the Kid's place in prison.