In the aftermath of World War II in 1945, Japan is left reeling from the relentless American bombings that have left cities in ruins. 'Grave of the Fireflies' follows Seita and his sister Setsuko, two Japanese siblings whose lives are torn apart by the harsh realities of war. With their parents gone and their home destroyed, their once-promising future is now bleak. Struggling to survive as orphans wandering through a war-torn countryside, they battle hunger and illness while encountering a lack of compassion from the adults they encounter. Despite facing cruelty and indifference, the siblings' unwavering hope and resilience shine through the darkness, refusing to surrender to the grim fate that looms over them.