Toko Suguri (Kaho) is married and they have a lovely daughter. She doesn't have any major problems in her life. One day, Toko Suguri meets her ex-lover Akihiko Kurata (Satoshi Tsumabuki) at a friend's wedding. They haven't seen each other in 10 years. Toko Suguri indulges in a sexual relationship with Akihiko Kurata.