Joe Lightcloud persuades his Congressman to give him 20 heifers and a prize bull so he and his father, Charlie, can prove that the Navajos can successfully raise cattle on the reservation. If their experiment is successful, then the government will help all the Navajo people. But Joe's friend, Bronc Hoverty, accidentally barbecues the prize bull, while Joe sells the heifers to buy plumbing and other home improvements for his stepmother.

The High-Sierra adventures of Ben Cartwright and his sons as they run and defend their ranch while helping the surrounding community.