Japan, 1944. Trained for intelligence work, Hiroo Onoda, 22 years old, discovers a philosophy contrary to the official line: no suicide; stay alive whatever happens; the mission is more important than anything else. Sent to Lubang, a small island in the Philippines where the Americans are about to land, this role will be to wage a guerrilla war until the return of the Japanese troops. The Empire will surrender soon after; Onoda, 10,000 days later.

Mari is exhausted by life in the city and opens up a shop selling snow cones in the small town of Nishiizu where she grew up. The simple flavors of her cold desserts soothe the emotional wounds of her customers and Mari comes to terms with herself by spending time with a young woman with a scarred face.