Shinobu's Tomorrow

Yapool, an ancient interdimensional race of beings tries to conquer the Planet Earth with his army of monsters, called Terrible-Monsters. The newest member of the Ultra Brothers, Ultraman Ace, arrives on Earth to aid humanity in the battle against Yapool. Touched by the sacrifices of Seiji Hokuto and Yuko Minami, he revives them and grants them the Ultra Rings, which allows them to transform into Ultraman Ace in times of need.

Marie Shinoda, a half-Japanese nude dancer, returned to her hometown with her mother's ashes, fulfilling her mother's wish. Her island home was a remote island far from the mainland, where order was maintained by its own set of rules. Marie's mother, the most beautiful woman on the island, had been banished after marrying a foreigner visiting, and marriage to an "outsider" was strictly forbidden.