Tom Kenyon and his sidekick Pierre La Farge are hired by rancher Mike O'Day who, with his daughters Toni and Sugar, provides wild horses for the government remount station.

Prince the wonder horse and his gallant rider gallop off to protect hapless ranchers from the ruthless Nazi bad guys who are trying to steal their land so they can exploit the valuable tungsten deposits in this WW II western. Mayhem ensues, but soon the villains are vanquished and America's tungsten deposits are safe once more.