The Raccoons of the Tama Hills are being forced from their homes by the rapid development of houses and shopping malls. As it becomes harder to find food and shelter, they decide to band together and fight back. The Raccoons practice and perfect the ancient art of transformation until they are even able to appear as humans in hilarious circumstances.

In the final months of World War II, 14-year-old Seita and his sister Setsuko are orphaned when their mother is killed during an air raid in Kobe, Japan. After a falling out with their aunt, they move into an abandoned bomb shelter. With no surviving relatives and their emergency rations depleted, Seita and Setsuko struggle to survive.