"Rail of the Star - A True Story of Children and War" is a historical anime film based on the autobiographical novel by Chitose Kobayashi. Set during World War II, the story centers on Chitose, a young Japanese girl living in Korea under Japanese colonial rule. Chitose's family, like many others, faces the escalating tensions and hardships brought by the war. As the conflict intensifies, the family is forced to flee their home in Pyongyang, embarking on a perilous journey to return to Japan.

The narrative unfolds through Chitose's perspective, capturing her innocence and gradual understanding of the war's impact on her family and those around her. The family's journey is fraught with challenges, including food shortages, illness, and the constant threat of violence. Along the way, they encounter other displaced families, soldiers, and civilians, each grappling with their own struggles. The film portrays the resilience of Chitose and her siblings as they navigate the harsh realities of war, relying on their bond and determination to survive.

Chitose's father, a government official, plays a significant role in the family's survival, using his connections and resourcefulness to secure their passage back to Japan. However, the journey is not without loss, as the family witnesses the devastating consequences of war on both a personal and societal level. The film emphasizes the human cost of conflict, particularly through the eyes of children, who are often the most vulnerable yet resilient in such circumstances.

The story concludes with the family's eventual arrival in Japan, where they must rebuild their lives amidst the ruins of a post-war society. Chitose's experiences during the war leave a lasting impression, shaping her understanding of resilience, sacrifice, and the enduring strength of familial love. The film serves as a poignant reminder of the impact of war on ordinary lives, particularly through the lens of a child's perspective.