Pulled into the Mexican Revolution by his own greed, Texas gunrunner and pilot Lee Arnold joins bandit-turned-patriot Pancho Villa and his band of dedicated men in a march across Mexico battling the Colorados and stealing women's hearts as they go. But each has a nemesis among his friends: Arnold is tormented by Fierro, Villa's right-hand-man; and Villa must face possible betrayal by his own president's naiveté

A band of fierce rustlers is ravaging the region of Las Cruces. Appears an outsider who saves the ranch owner "The Spur" of being kidnapped by members of the band. Thankfully, he was appointed foreman, and his daughter is in love with him. But things are not what they seem and there are murky intrigues in the background.

A stranger from Boston offers a notorious Arizona outlaw a job he can’t refuse.