Three years after inheriting the family hot-spring inn, I am facing bankruptcy despite the support of my wife and proprietress, Kaori. Then her childhood friend Saji, an advertising-agency employee, comes to stay and offers to help revive the business. I remember us enthusiastically agreeing, but apparently I fall asleep. From the following week, business makes a miraculous recovery while Kaori grows increasingly troubled. One night I follow her out of bed and watch her disappear into Saji’s guest room...