Yuka, a married woman who is a full-time housewife as a jeans investigator and continues to protect the safety of the area even after retiring from the investigator before marriage. However, in the coexistence of her investigator and her housewife, she felt loneliness in the days when she passed by her husband. One night, she has an affair with her husband's old friend, Mori, who brought her drunk husband home. At the same time, many underwear thieves occur in the neighborhood. After receiving her request and proceeding with the investigation, a forest appears on the line of investigation.
