Satomi, who married Hiroshi and quit her job to become a full-time housewife, began to feel lonely soon after the marriage as her husband started coming home late. For Satomi, visiting her retired and single-living father-in-law, Tooru, was the only way to relieve her loneliness. Tooru had been her boss at the company where she used to work and had always been kind and reliable, making Satomi fond of him. When Satomi found out that Hiroshi was cheating on her, she sought comfort from her father-in-law, exposing her body and provoking him.
