After his husband's death ten years ago in a traffic accident, Reiko raised his son's tutelage to adulthood. She had just started raising children, and she met a man named Fujimura with his friend's introduction. Reiko was attracted to Fujimura, who was sincere and kind. Reiko began to think about remarriage, so she invited Tatsuya to go on a hot spring trip and went to Yamanashi where Fujimura was.