 Prison escapees Utah Evans (Bob Kortman) and Juan Romano Calinie (Dick Botiller) hold up a bank in Texana and kill bank-cashier Peterson (Phil Dunham.) They are pursued by a posse and also kill Sheriff Terry McClay (George Morrell.) McClay s widow (Cathryn Johns) and daughter Jill (Barbara Fritchie) persuade ex-sheriff Joe  Wild Mustang  Norton (Harry Carey), the man who had sent Utah to prison, to assume office again. Norton s son, Reno (Del Gordon), is captured by Utah, who does not know his identity, and Utah brands his hand with the letter "U" and releases him;Utah has done this with several men, marking them as outcasts and most return to join his gang. Norton, knowing this, sends Reno back to join the gang and provide information about their plans.