The Mamiya couple run an inn in a hot spring resort on the outskirts of Tokyo. Aya, the wife, married Takashi, who was a colleague at work when she was an office lady. Takashi took over his family's inn, and now the couple runs it together. However, due to the recession, the number of customers has decreased, and the business is in dire straits. One day, Kudo, a loan shark to whom Kita, a servant, had borrowed money, comes to demand repayment. In a panic, Kita comes up with the worst idea: to offer the body of Aya, a beautiful innkeeper of marriageable age...