An old friend of Trampas, Jed Matthews, is hired for his gun to come to Medicine Bow by rancher Tom Tallman to fight homesteaders blocking a pass used by the ranchers to take their cattle to market. Tallman has Jed go to work at Shiloh to spy on their plans as the ranchers have differing views on how to handle the problem. Trampas introduces Jed to the sister of a homesteader who falls for Jed forcing him to choose sides in the dispute.
