Brooding outsider Mikiro catches Sotoko just as she reaches a breaking point in her claustrophobic rural life. Their encounter introduces an eroticism with a violent edge that threatens to slash apart her toxic marriage with the abusive Atsuya and his web of small town corruption.

A barber, Kouichi, has married another barber, Aya, and lives in her parents' house. As Aya's parents run a barber-shop, her brother, Satoru. and father, Akira are also barbers. This shop was opened up by Akira, taken over by Aya and Kouichi, and supported together by Satoru who is going to get married soon. On a few days before Satoru's wedding, Kouichi recieves one mail.