Black X resigns his commision due to his love for Madame Doom, but her plan to use her men as human explosives so revolts him, he changes his mind.; Bozo truly meets his match in a modern-day Prometheus named Brutus, created by a mad scientist, who stole its body parts from graves. Battling to a stalemate, the encounter only ended when Bozo threw Brutus into his creator, destroying both of them.; Cub reporter Happy Terrill gains incredible powers when he rides a balloon through a cosmic storm in the high stratosphere. The balloon mission of Professor Styne also uncovered a new, powerful gas, which is stolen by the thug, Anton Rox.; One of the trio's uncles is President of a steamship company and he tells the boys that he suspects a certain criminal of being in league with spies who are trying to ruin his firm's shipping in the Dardanelles. The Trio immediately volunteers to round up the felon and turn him over to the Turkish Police.; While on a tropical isle in the south Pacific, the Hood encounters other invisible opponents, who were intent on acquiring valuable gas deposits. Their invisibility was a ruse, but how surprised they were to encounter a "real" ghost!