Song of the saddle (1936)

Frank Sr. sells his supplies to Hook, but then Hook has the Bannion Boys bushwhack his wagon to get the money back. Frank is murdered, but Junior gets away. He comes back 10 years later to settle the score as the Singing Cowboy. He finds that Hook is still doing his dirty deeds on the unsuspecting people. Along the way, Frank meets the lovely Jen, who came out in the same wagon train 10 years before.