 In a remake of Night Riders (1939), Madden has forged a phony Spanish land grant and gets crooked gambler Halliday to pose as the heir, Don Pedro. When it is declared legal, the Don s men start overtaxing the ranchers. Jim and sidekick Hardtack arrive and take up the fight by becoming the Ghost Riders that rob the Don s men to repay the ranchers. When Jim sees the Don he realizes he is a phony but must find proof to expose him.