Whether you kill one man or a hundred, in the end, you only hang once... Deputy Marshal Porter Rockwell can't be harmed by a bullet or a blade but the prophecy about his invulnerability never mentioned a rope. Imprisoned for the supposed murder of a young girl, Porter might be on the verge of allowing the hangman his due. It falls to his friends Roxy and Quincy to make him understand the burden of a lawman, even one as infamous as himself...