Ai is 28 years old in full bloom. In order to support her busy husband, she worked hard as a full-time housewife, but once a week, she had to live with her husband and wife. Her love for her husband hasn't diminished, but her dissatisfaction is growing in reality that is far from the ideal she had envisioned. Ai's promise was broken by her husband due to unavoidable circumstances on the night of their anniversary. When she reached the limit of dissatisfaction, she had a relationship with the caretaker who lived next door with the momentum of sake ...
