The married woman, Suzu, was hiding behind her husband, Yuichi, who was assigned to work alone, and had an affair with her colleague Tobe. However, as Yuichi returned to Tokyo, Suzu and Tobe had a quarrel, and Tobe pondered and grabbed Suzu's arm and jumped out onto the road to measure his heart. Upon hearing the news, Yuichi rushes to the hospital where the bell was brought in, but is shocked to hear the story of the matter from the managing director who had come earlier. Meanwhile, he meets Tobe's wife, Manami, who wears mourning clothes, and her daughter, Akane.