A couple agreed to accommodate their father-in-law, who was coming to stay while on a business trip. However, the wife, "Nao," who was attracted to her father-in-law's different charm from her husband, couldn't resist and seduced him, leading to an affair. The wife, captivated by her father-in-law's skilled techniques different from her husband's, became infatuated with him... What will become of this family's future?
