Arizona, 1940. Deputy U.S. Marshall and Spanish Civil War veteran J.D. Fitzpatrick arrives in Tucson, a shell-shock case. His job should be a low pressure, but the insensitive local BIA agent provokes a gunfight over registering the Papagos men for the draft. Fitzpatrick is sent to the reservation to arrest the ringleader, Jujul, and his band of renegades, but they have disappeared into the desert. Why should they serve in the military of a country...