Yuri, a 67-year-old Korean woman, remembers the first day of spring when she had just turned 8. She had decided to go away from her mother’s home in South Korea to know if her father is still alive, a violinist soldier, held up in the North. A formidable adventure awaits her in the demilitarised zone at once heavenly and terrifying, where she will meet strange birds, mysterious spirits, but also traces of the war... Will she join her father?