Richie, a piano teacher who lives alone, used to have a happy and carefree life, but everything has changed since her husband Yuosuke Takesuke Asano (Tadao Asano) disappeared three years ago. One night, Richie, who was about to cook food, suddenly saw Youjiu come in. The next words surprised her even more. Her husband, who was a dentist three years ago, was diagnosed with a terminal illness. He ran away from home quietly, looking for a quiet place to die peacefully. Some kind of obsession made him appear in the world in a living form, and after three years of trekking back home. At the suggestion of Yousuke, the skeptical Richie and her husband embarked on a journey to find a home looking back over the past three years. On the way, they met someone who had taken care of their husband, and the secrets of the husband and wife emerged alternately, and they were finally able to face each other calmly. This film is based on a novel of the same name published in the Literary World in 2009 by Xiangshu Yuimoto.