Joe Musashi thought he had vanquished the criminal organization Zeed for good, but the syndicate has risen from destruction as Neo Zeed, more ruthless and determined than before. In a brutal assertion of their renewed power, Neo Zeed executes Musashi's mentor and abducts his fiancée Naoko, leaving the ninja warrior with nothing but vengeance burning in his heart. Now Musashi must infiltrate the heart of Neo Zeed's empire to save Naoko and settle accounts with those who orchestrated these deeply personal attacks.