The voyage throught the Sea of Stars continues as Tetsuro and Maetel stop at Technologia, the Utopia where science and nature exist in balance; Barkfish, the underwater planet; the frontier planet Heavy Melder; and Wao, the wild planet where hunters roam. But our heroes are dogged by killer robots, the deadly space knight Helmazaria, and a force of evil powerful enough to destroy the Earth in one supernova. Soon the 999 itself is at risk as they head firther into dangerous territory. With Earth obliterated, can their quest go on? Features a special guest appearance by Captain Harlock and Space Cruiser Yamato!