The Sunset Princess (1918)

Yellowstone Pete's motherless daughter Beauty is reared by the cowboys on Pete's ranch, and by the time she is twenty-years-old, Beauty is an excellent horsewoman. Although she loves Buck Dawson, a neighboring ranch owner's son, Beauty becomes infatuated with a drifter, who impresses her with tales of life in the city and promises to marry her if she will accompany him to the nearest town. In Butte, the stranger takes Beauty to a hotel and attacks her, but Buck and Pete learn of her betrayal, and Buck pursues the villain. In a deserted cabin, Buck and his enemy engage in a fierce struggle, and even when the posse arrives, Buck insists on fighting to the finish.