A French actress is in Hiroshima, Japan, to film an anti-war movie. While there, she has a brief but intense affair with a Japanese architect. They share intimate details of their pasts, revealing deep wounds left by the war. The actress recounts her traumatic love affair with a German soldier during World War II and the subsequent shaming she faced in her hometown after the war ended. The architect, in turn, shares his devastating experiences during the Hiroshima bombing, where he lost his family.

As they delve deeper into each other's histories, their emotional connection grows stronger, yet they grapple with the haunting memories that continue to shape their lives. Both struggle with the desire to hold on to this fleeting romance and the reality of their separate lives. Their conversations flow from the present to the past, highlighting the enduring scars left by war and the complex interplay of love, memory, and identity.