Agent Victory Woman, belonging to the international secret organization X, infiltrates the opposing force known as Alliance. During her mission, she engages in fierce combat with a bio-soldier who bites her leg, injecting unknown biological cells into her body. As a result, her physical responses undergo extreme changes. In subsequent battles, she inhales a special gas, causing her strength to completely vanish. Seizing the opportunity, the enemy captures Victory Woman and applies a new drug called Alraune to her most sensitive body parts. Enduring overwhelming pleasure, she experiences multiple intense orgasms. Even attempting to escape in this state, she is attacked by the massive appendage of a bio-beast and ultimately recaptured. She is then delivered into the hands of Doctor Kamui, the creator of Alraune, forcing her into a new state of uncontrollable arousal.