Satomi, who lives with her husband in a rented apartment, is a full-time housewife and every day when her husband goes to work, she is busy with housework alone. One day, a man in work clothes comes to his house. It seems that he is going to work on the outer wall of this apartment, and he will enter the house for confirmation. However, she has not been told anything. Then, when her husband is absent, the worker appears in front of Satomi again.
