Zareth, henchman of the evil king Zao, has kidnapped Alexandria, daughter of the supreme deity, and imprisoned her deep within the ancient Azuchi Castle in Japan. He plans on using the captive maiden's lifeforce to revive his fallen master. Enter Joe Yamato, loner and powerful user, who decides to take Zareth on single-handedly and stop his plan before it can be completed. Based on a little-known Japanese anime TV series named Peacock King.