When Masaki find themselves at a bar owned by his friend Akemi and ponder the recent strange happenings. He later accepted a proposal from his old rival Hattori and join the Todo-gang. A member, Hazama, beeing jealous over Masakis high rank and starts planning ways to get rid of the newcomer from the gang.

Ultraman Shadow, Ultraman Zearth's most terrifying adversary yet, is brought to Earth by the murderous alien, Lady Benzen to be Ultraman Zearth's assassin. Ultraman Shadow is a warrior of darkness equipped with mysterious powers. Prepare to witness the ultimate showdown, colossus versus mighty colossus, the battle ground: Planet Earth!