Twelve-year-old Hanako and her family, reeling from their confinement in an internment camp, renounce their American citizenship to move to Hiroshima, a city devastated by the atomic bomb dropped by Americans.

A fictionalized account of a bonsai tree that lived with the Yamaki family in Hiroshima, Japan, for more than 300 years before being donated to the National Arboretum in Washington, D.C., in 1976 as a gesture of friendship and peace to celebrate the American Bicentennial.