When professional gambler Jimmy "the kid" Casey beats the spoiled son of wealthy ranch owner Jack Hartigan in a game of poker, he is forced to shoot the young man dead in self defence. Hartigan vows revenge and the footloose card player flees the town of Paradise, only to find himself pursued by a gang of ruthless killers, led by the crafty and determined Abe Morgan. Things become more complicated when the gang captures Jimmy"s fiancee and renegade Apaches go on the warpath. His only option is to return to a town ruled by fear and settle his score with Hartigan once and for all...