Watch Backtrack!

Trampas, a simple cowhand from Wyoming, is sent to Mexico to buy a bull. Although Trampas was warned about the tough border town of Laredo, Trampas soon finds himself caught up in a dispute with the famed Texas Rangers. After learning of Trampas's mission, the Rangers decide to accompany Trampas into Mexico but are shocked when they come across the carnage of a hijacked train. Against his will, Trampas is soon swept up in a bitter war between the Yaqui Indians of Mexico and the Texas Rangers as they struggle for the future of their nations.