The Zaca Lake Mystery.

After Outlaw Slippery Joe robs a miner and his daughter, a sheriff pursues him. While on the outlaw’s trail, the sheriff finds the miner's horse, abandoned by the outlaw, and notices the resemblance between Slippery Joe and Mr. Bond, a man he had encountered earlier who was searching for his twin brother. The miner and his daughter arrive at the ranger's cabin, recognizing Bond as the robber.