Female warriors Aoi Nanami and Habuto Yui belong to Earth Defense Force's special unit, Movie Squadron Chargeman. They were captured by Gozua's trap and nearly turned into enslaved Chargemaidens by the evil queen Mahamesu, but managed to rescue the brainwashed Phoenix and defeat the hypnosis monster Ramiluga. After a series of failed operations, Mahamesu requests reinforcements from her home planet, asking for new Galactic Beast Warriors. However, what arrives is a mysterious biological weapon. As Mahamesu approaches the creature, she nearly becomes its prey. Using its power, she devises a new plan to annihilate the Chargemen—but this decision drives the story toward tragedy. [BAD END]