Mio, a married woman, is transferred to a local hotel for work. However, her ripe body still feels lonely, and she ends up having an affair with a colleague. One day, the hotel is offered a loan, and an investigator is scheduled to stay the night. The hotel staff are excited about this important matter that could affect the future of the hotel. While searching for the investigator, Mio puts her body on the line to satisfy the unreasonable demands of the guests, but then her estranged husband suddenly comes to stay as a guest...