When Sam Bass arrives in Denton, Texas, he immediately earns the suspicion of the Sheriff and the admiration of his kind-hearted sister, Katherine. Sam also catches the eye of Calamity Jane, who is impressed by his winning techniques with her prized horse Thunderbolt. Sam makes a large sum of money in a race but jeopardizes everything when he becomes involved with a notorious team of outlaws. © 1949 Universal Studios. All Rights Reserved.