Battle Lady, also known as Rei Kanzaki, fought against the evil secret society Ego as a female warrior of the Fighting Spirit Sentai Battleranger. One day, a series of attacks occurred by the monster Medigan, who targeted only the Pink Warriors. Dr. Medigan, once the development chief of the Sentai team, had his mind break after being modified by Ego, and began his own research to create the ultimate life form! While searching for clues about the missing Pink Warriors, Battle Lady encounters Medigan and becomes his next target! Will Battle Lady end up as experimental material!? [BAD END]