To save her son's life, wife Nene Tanaka enters a one-year contract to serve wealthy man Kawamura as a sex slave and cumdump. Though the arrangement is justified as being for her son's sake, her husband agonizes over his own helplessness in having sold his wife. Each week, videos arrive showing Nene being trained and dominated by Kawamura. Initially defiant, Nene gradually succumbs to psychological control, her emotional pain and suffering deepening the story's intensity.