50-year-old housewife Masako is a former hero of justice. One day, while walking, Masako witnesses her neighbors' grandmas being attacked by mysterious monsters! Masako transforms into the hero 'Obaredd' and fights back. However, the grandmas are kidnapped! Upon reaching the monsters' hideout, she finds the grandmas critically injured. Suddenly, Dr. Kimura, the one who made Masako a hero, appears and transforms the grandmas into heroes! Thus, the 'Menopause Squadron Obarenja' is formed, and they face off against the evil organization in their final battle!
