A husband who only comes home on weekends... Even though she believes in her husband, her mother, Chiaki, is unable to say anything because her daughter, Ryoko, recommends her divorce. One day, Ryoko brings her lover to her house. Chiaki doesn't have a very good impression of Takeru, a part-time jobber he met at her part-time job. When she told her about it to Ryoko, she was strongly opposed. However, Chiaki should have stopped Ryoko and Takeru's relationship at this time. A few days later, tragedy struck...
