Kirby is taking over Deadwood and his next victim is Wilson. But Wild Bill arrives just in time to foil Kirby's plan. Kirby makes Bill the town Marshal and Bill arrests Wilson when he shoots one of Kirby's men. It looks like Bill is on Kirby's side until he shuts down Kirby's saloon. This calls for a showdown and Bill and Cannonball go off to face Kirby and his gang,