Riders of the Lone Star (1947)

An outlaw gang is trying to stop the reopening of a mine as they look for the money left there by the famous outlaw Dusty Morton. After a ten year absence, Morton has apparently reappeared and Steve arrives looking for him. He finds his son who also wonders if his father is still alive. With the gang soon after him, the Durango Kid goes into action and Steve tries to learn who the real Dusty Morgan is.