As the son of an infamous gunfighter, Buck Duane has the natural instincts and lightning-quick reflexes of his father. After killing a man in self-defense, he becomes an outlaw living amongst gunfighters and bandits on the Texas-Mexico border. Despite his perilous position as a hunted fugitive, Duane risks his life as he tries to rescue a young girl held prisoner in a Mexican camp and begins his journey of self-discovery.