 The professional gambler Case Silverthorn wants to quit and retire to a small ranch in Marlpine he bought recently. On the way there he saves the Sheriff s life, who got into an ambush. However another man is dead - Will Donovan, from whom he bought the ranch! Neither the Sheriff nor Donovan s children know about the sale. So Case has to switch back to his former profession, while he tries to clarify the situation. He comes across a group of cattle thieves.