A crooked gambler poses as a descendant of a noble Spanish family has successfully secured court validation of a counterfeit land grant, and proceeds to drive out ranchers already settled on the land with high taxes, road tolls and violent tactics. A pair of horse sellers pitch in to help a customer, his daughter, and the other "tenant" ranchers after being roughed up by toll collectors when they refuse to pay the assessed toll.

"ACTION As 'Red' Rides The Thrill Trail!"