It's been about three years since her only daughter, Izumi, whom she raised with her husband, got married... One day, Kyoko gets a phone call. "Mom, there's something I want to talk to you about..." Kyoko's lonely voice asks her to mediate between her husband and his wife who are fighting. Kyoko becomes worried and goes to the house where her daughter and her husband live. Kyoko tries to somehow fix the relationship between the couple for her daughter, but... While she is giving her daughter's husband, Kotaro, a massage, the situation begins to take an unexpected turn.