Future Train: To you who don't know "that day"

An elderly Nagasaki hibakusha spends a summer caring for her four grandchildren, whose curiosity about the 1945 bombing stirs buried memories and moral questions. When an American nephew from Hawaii visits, the family confronts grief, guilt, and the possibility of reconciliation across generations.

Set in Tokyo in 1940, the peaceful life of the Nogami Family suddenly changes when the father, Shigeru, is arrested and accused of being a Communist. His wife Kayo works frantically from morning to night to maintain the household and bring up her two daughters with the support of Shigeru's sister Hisako and Shigeru's ex-student Yamazaki, but her husband does not return. WWII breaks out and casts dark shadows on the entire country, but Kayo still tries to keep her cheerful determination, and sustain the family with her love. This is an emotional drama of a mother and an eternal message for peace.

A tragedy strikes a young woman's life without warning or reason. She continues living while searching for meaning in a lonely world.

Hisako loses her home in Tokyo to Allied bombing. With her husband fighting somewhere in Asia, she and her two children evacuate to a suburb of Kobe, where they share a house with Hisako's cousin, Kyoko. Kobe is bombed and Kyoko is killed. Hisako is forced to take care of Kyoko's two children in addition to her own, but there is not enough food for everyone.

Shigematsu Shizuma, who lives with his family in a village near Fukuyama, was in Hiroshima with his wife and niece just after the devastating atomic bombing, a tragedy that cruelly took the lives of thousands of people and forever marked the harsh existence of the survivors.