As World War II draws to a close in 1945, Japan endures extensive devastation from American bombings that ruin city after city. Hotaru no Haka, also known as Grave of the Fireflies, tells the story of Seita and his sister Setsuko, two Japanese children whose lives are shattered by the brutal conflict. They have lost their mother, their father, their home, and any hope for a bright future—all tragic outcomes of the war. Now orphaned and without a home, Seita and Setsuko are forced to wander the countryside, plagued by starvation and illness. Encountering adult apathy along the way, they discover that desperate situations can make even the kindest people cruel, yet their youthful hope remains bright against unrelenting hardship, keeping the siblings from quickly succumbing to their inevitable fate.