While breaking horses in Arizona Territory, Colter Farrow is forced to kill a soldier in self-defense. With the man's comrades hungry for vengeance, he hightails it to Mexico. There he runs into Bethel Strange, who was kidnapped by a villainous rurale captain. After Colter saves her, they're both forced to flee into rural Mexico. While on the run, Bethel resumes the search for her father, the outlaw Jed Strange, who rode out a year ago and never returned.