Golden Man, the great hero who protects Neo York, has suddenly vanished from the so-called City of Freedom! At the scene of his disappearance, an abnormally strong young man with amnesia is found unconscious. Out of desperation, Golden Man's support team dispatches the newbie in place of their absent hero to confront the villains who menace the city. However, this "Golden Man" just might have a secret that puts Neo York in more danger than ever before...