Birdman Meets Birdboy.Birdman rescues a young boy from a shark-threatened raft and finds him near death. Restoring his life with his own energy, he also transfers to him some of his super-human powers and calls him Birdboy. Birdboy tells Birdman of a strange armored island he has seen which turns out to be inhabited by an evildoer who is planning to use torpedoes and submarines to loot ships and to start wars between countries, and further profit by the confusion. Birdman is captured on the island, but Birdboy escapes and brings back Avenger to rescue him. They smash the island's armaments, but the villain escapes.