Seira, a young wife who has been married for three months, is beginning to feel the difficulties of being a full-time housewife. Her sex life with her husband is also frustrating. One day, Seira loses her house key and has to wait for her husband at her neighbor Okura's house. Okura, who is divorced and living alone, becomes attracted to Seira and they end up having a relationship. The other neighbor, Sakurai, starts a chiropractic clinic at his home, but only for a limited time.