Ritsuko (Tachibana), a psychiatrist, infiltrates Hatanaka Research Institute under the guise of a patient based on information from a patient who fell prey to M Forve, but her identity is discovered and she falls prey to M Forve. Rui (Tachibana), a narcotics investigator who was contacted by Ritsuko without knowing anything, hurried to the research institute. There is a brainwashed Ritsuko, and Louis, who does not realize it, falls prey to M Faub...