Desc: The Canyon of Light: Directed by Benjamin Stoloff. With Tom Mix, Tony the Horse, Dorothy Dwan, Barry Norton. Tom Mills's buddy, Ricardo Deane, is killed in France during the war, and after the war Tom is invited to visit Deane's family on the Mexican border. There he discovers that Ed Bardin, Deane's brother-in-law, has been unfaithful to his wife, and that he is a bandit, posing as Tom. Following a stage holdup, a runaway rescue, a near hanging, a rodeo, and cliff and river riding, the gang is captured and Tom wins the heart of Concha, his buddy's sister.