William's humanity was barely intact after surviving atrocities as a soldier in the Texas Revolution, and later losing his beloved wife to illness on the frontier. When his son, Leroy, is killed fighting for the Confederacy, he nearly reaches his breaking point. Fortunately, he finds solace from an unlikely source; his mustang, Lucky. While in town for supplies, a thief in escape of his impending execution steals Lucky. William's devastation quickly turns to rage, as the floodgates of pain break open violently against the men who mean to rob him of the only evidence left of his former life.