There was a woman who, driven by her love of animals, ended up working at the pet shop where she had been a part-timer. She married a hotel worker four years her senior whom she met through a friend's introduction, and left the town she was used to living in due to her husband's job transfer. She spent her days consumed by housework, but once child-rearing settled down, she started working at a family restaurant three times a week to fill her free time and loneliness. Amidst this, her husband invited her to see a play put on by a theater troupe led by Takahashi, and she became a huge fan. This married woman attended the after-party for a performance she went to see alone, and made a mistake. From then on, she began repeatedly forcing her way into Takahashi's home and committing adultery.