Having discovered that the mail car full of dollars is only a trap by the rangers to ensnare his gang, Rocky Durbin runs to inform his partners, but he arrives too late… the others have decided to do everything by themselves, receiving loads of bullets in return! Rocky, in the attempt to save himself after his brother dies, falls into a canyon and is fished out dying by some fishermen. Six months later, Kit Willer ends up in jail in Nogales, following a fight: the news does not escape Rocky Durbin: crippled, disfigured and with a new name, he ponders revenge!