The Invisible demon made troubles in the downtown area. The Giant Saver tried to defeat him. However, due to invisible power, the demon was at an advantage. With his invention, Uncle Frank came and assisted the Giant Saver in successfully defeating the demon. Nevertheless, due to intense anger, Quinn punched the demon with so much power that he fell just in front of Miss Kyi and Left-fin. The two brought it back to their base Haigui castle and had it transformed. The transformed demon¡¯s invisible power was enforced and made troubles with Seaman in the downtown again. The Giant Saver fought against them again. But Uncle Frank¡¯s invention didn¡¯t work this time. At the crucial moment, the Snow Bear Warrior showed up. It turned out that Jane persuaded Snow Bear Warrior into fighting again. With his help, the Giant Saver successfully controlled the Invisible demon.