The infamous bounty hunter, Iron Eyes, is forced to chase the wanted outlaw Joe Brewster down into an arid desert even though he has been badly wounded in a showdown with Brewster's brothers. Losing his pony, Iron Eyes is forced to follow on foot. To his surprise, he discovers an oasis in a valley. Iron Eyes trails the outlaw into the valley and soon finds that a few families are living there under threat of death by Don Miguel Sanchez and his army of vaqueros. Will Iron Eyes leave or fight until the bloody showdown?