The White Outlaw (1925)

Scout, a cowboy's beautiful white horse, flees the ranch after being abused by a sadistic ranch hand.He becomes an outlaw stallion, and it's not long before he manages to attract a considerable herd of followers. However, when local ranchers suspect Scout of "rustling" some of their horses to join his herd, they decide to track him down and put him to death. Scout's owner reluctantly agrees, but has his own plan in mind.