Caballos salvajes (1985)

An over-the-hill rodeo champion gets fired from his assembly line job in Texas. He and a buddy then decide to head to Wyoming to get a job herding mustangs. His wife gives him her blessing, knowing he needs to find something which satisfies his spirit. They sign up for a roundup headed by a veteran cowboy. With the job, he finds himself cross-wise of a corrupt government official, who is making big profits on the illegal sale of wild horses. He also finds himself in the affections of the daughter of an old ranch owner.