War may be over, but for the children of Miwa Nishikawa’s latest film — adapted from her forthcoming novel — survival has only begun.

Four people lead ordinary lives in different places, their paths never crossing. A mysterious man appears in each story, always as someone else. One moment, a cram school instructor; the next, a truck driver, a barber - his identity constantly shifting. Then, death strikes. A detective pursues the truth, closing in on a revelation...