In the present day, a young married couple, Asafumi and Shizuka are trying to start a new life, having had to move after losing their jobs. Asafumi decides to join the family business of selling medicines, and a notebook that used to belong to his grandfather Rentarō leads him to explore the mysterious Mandala Road in the hopes of finding his grandfather's former customers. Shizuka, meanwhile, struggles to resign herself to her new role as a housewife and wonders if she made the right choice in marrying Asafumi.

Following the end of World War II, Saya, a woman from a Malayan...