After becoming a stepmother, Misuzu finds herself in a household with her wealthy husband and his son. The husband is highly lustful and takes the disturbing step of exposing his sexual relationship with Misuzu to his own son. One day, Misuzu receives a frantic phone call from her husband: "I've failed in business! Things are going bad!" She is thrown into chaos. Shortly afterward, a debt collector arrives at the house, worsening the situation. Amidst escalating tension, the story unfolds with themes of incest and creampie, depicting a woman caught in the collapse of her family and the whirlpool of desire.