Sadako and the Thousand Paper Cranes portrays the true story of Sadako Sasaki, a young girl who died of leukemia in 1955 as the result of radiation poisoning. Sadako had been living in Hiroshima, Japan when the United States dropped the atomic bomb in 1945. Years later, when Sadako is twelve, she is preparing to race in the Field Day relay at her school, and, she becomes ill. The doctors discover she has leukemia and she has to stay in the hospital for many months. While she’s in the hospital, she folds 1,000 paper cranes in the hope that she will be cured. Unfortunately, Sadako eventually dies of leukemia. The students were inspired to fold paper cranes and hang them from the ceiling in memory of brave Sadako.