A proud father goes to great efforts to make sure his worthless son will face death onthe gallows like a brave man.
A group of cutthroats use a secret-fear gas to try to take over the world.
A Smithsonian Institute professor employs Mike Nelson to salvage a German submarine sunk off the coast of South America. But two 'hard-hat' divers in conventional diving helmets and lead boots are after the same prize.
