||When an invasion of Flying Saucers land at the Bar-Z ranch, the owner Spurs Jackson, of the Arizona ranch and his two ranch hands, Strong Bow and Hank Roper, quickly learn the alien invaders are Martians, lead by one named Korok. Spurs and his ranch hands are taken in the saucers back to Mars. Once there, it is revealed that Korok claims the throne from Queen Thula, causing her to abdicate.
Spurs Jackson and his Space Vigilantes, Roper and Strong Bow, quickly win back the throne for Thula. The grateful queen appoints Spurs Prime Minister.