When Luke Bragg comes to Preston Gulch to claim the sheep ranch his uncle left for him, he soon finds himself in the middle of a range war with the valley's two biggest cattle ranchers. This clash of interests only escalates, and the cattlemen claim that Bragg's sheep are killing the grass by nibbling it too close and trampling the roots. Then when the daughter of another rancher comes to town after the murder of her father, the truth about the killing sends the valley into chaos...