Plot Summary:In 1932, the Japanese Army investigates a mysterious meteorite crash in Manchuria, and discovers a strange material that produces a previously unknown kind of energy. The mineral is later used during the Second World War to power a massive submersible battleship Ra, which is built to revitalize the war effort. Shortly before the launch, a young woman named Annette approaches the officers of the Ra and implores them not to use the battlesub. She says the material was sent by subterranean humans to test the surface dwellers right to live, and by using it as a weapon of war they are sealing the human race's fate. The Ra is launched in the twilight days of the war, and shortly after the bombing of Hiroshima the Ra encounters the American battlesub Liberty, whose crew has been tricked into fighting the Ra by Annette's former partner and friend Avatar, whose appraisal of the human race is much more negative than her counterpart. Annette stops Avatar with a blast of mental energy, but the Ra...