The town of Primrose, Arizona is beset by outlaws, so the towns people hire Fletcher Bissell III (A.K.A. The Silver Dollar Kid) as their new sheriff. Fletcher is so cowardly the townsfolk are sure that the local outlaws will be too proud to gun him down. This proves to be the case, and the outlaws hire their own cowardly gunfighter, Chicken Finsterwald, to go up against The Silver Dollar Kid.

Elliott Gould steals Army nerve gas to help him rob banks when he’s kicked out of the military after 15 years of service as a human guinea pig in its chemical warfare experiments.