Frontier Justice (movie, 1935)

When Brent Halston returns he finds his father in an insane asylum and Wilton about to foreclose on their ranch and bring sheep onto the cattle range. When Wilton kills a rancher, Brent is blamed and jailed. Escaping jail he gets Ware to confess that he payed to have Halston committed. He then gets unexpected help from Ethel Gordon when Wilton tries to foreclose.