Kidnapped to save her beloved daughter Leo, Kitajima Nozomi (Murakami Ryouko) risks her life to rescue her. A close colleague and dear friend of Himekawa Ayumi, Nozomi's fierce maternal instincts make her a prime target for extreme torture after her abduction. The merciless team from the Female Body Torture Research Institute, led by Tsuji Maru, slowly closes in on her. Forced repeatedly to orgasm, her body and mind are pushed to the absolute limit. How much pain will she endure? How many times will she be driven to climax? What fate awaits her in the end?