There is no intimacy between the two who live with their husband. One day, a young man comes to sell insurance. Makiko's heart flutters. Does her husband notice his wife's change? The flames of jealousy rise higher and higher, and the relationship between the two becomes increasingly strained. Makiko seeks help from the insurance salesman, and eventually, they start making love even when her husband is asleep upstairs. Hearing the rumors, a senior insurance salesman also visits Makiko. When her husband catches them in the act, Makiko's response is…
