The peaceful life of the Saho couple turns into a nightmare when their senior colleague, Azuma, moves into the same company dormitory. After her husband leaves for work, Azuma breaks into Saho's home and rapes her. From then on, Saho is forced to indulge in his twisted desires and sexual games. When her husband goes on a business trip, Azuma freely abuses Saho's body. Gradually, Saho begins to seek it out herself and becomes engrossed in intense sex.
