Masako, a 50-year-old housewife, is a former hero of justice. One day, while Masako is out for a walk, the aunts in her neighborhood are attacked by mysterious monsters! Masako transforms into the hero "Obared" and fights. But the aunts are taken away! When they arrived at the monster's hideout, the aunts were seriously injured on the verge of death. Dr. Kimura, the person who made Masako a hero, appears and remodels her aunts into heroes! Then, Masako and her friends form the "Menopausal Sentai Obaranger" and face the final battle against the evil organization!
