During the war, Harumi Setouchi (Rie Miyazawa), who got an arranged marriage, went to Beijing with her husband, Kusumoto (Shiro Sano), and gave birth to a daughter, Mako. After the end of the war, the family moved to Harumi's parents' house in Tokushima. There, Harumi was told by her mother Koharu (Yoshie Ichige) that her sister, Tsuya (Yuki Saito) had died in an air raid.