In 1942 South China, hardened field hospital nurse Yukiko secretly loves Sergeant Nemoto. The arrival of a fragile new nurse, Keiko, reawakens Yukiko's warmth but also sparks intense jealousy when Nemoto shows Keiko kindness. As the two bond over a shared hometown, Yukiko's resentment grows. The situation is compounded by the escalating chaos of a losing war, including air raids, medicine shortages, and a deadly malaria outbreak that weakens Keiko. Set against the backdrop of Japan’s impending defeat, Yukiko is forced to confront the high cost of her envy and decide where her loyalties lie in a final test of courage and compassion.