Obro the muscleman goes to Atlantis and sinks a death-ray king who knows the secret of immortality.
Al arrives in town which is ruled by Lash who has taken possession of one gold mine and is now aiming to get the other which is owned by old Johnny. Al is the only one to support Johnny but still the old man is ambushed and killed.
A man is falsely charged with bank robbery, prompting his brother to break him out of prison. Together the pair set out to find the real culprits, and their search leads them to a gang of outlaws headed by a notorious gunfighter.
