Dr. Hell has resurrected an ancient army of mechanical monsters to conquer the world, but first he has to destroy the photon power lav and the one thing standing in his way - Mazinger! It's going to take more than defeating Mazinger for Dr. Hell and his evil henchman Baron Ashura to clear their way for world domination, because ther's a new kid in town - Mazinkaiser - and he packs quite an atomic punch!