After marrying a coworker who was divorced and had a child, Sayuri became the mother of an older boy, Shinji, for the first time. However, her relationship with Shinji was not good, and Sayuri was at her wits' end. One day, her husband, whom she relied on the most, went on a one-night, two-day business trip, leaving Sayuri's anxiety to grow... On the day of his departure, Sayuri mustered her courage and told Shinji, 'I want you to tell me anything you're thinking.' And so, Sayuri found out why Shinji wouldn't open up to her...
