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.

Shut up in a trunk by a taciturn old sea captain with a secret, five friends--a king, a wolf, a girl, a boy, and an owl--bicker, boast, and comfort one another in the dark. Individually, they dream of song and light, freedom and flight, purpose and glory, but they all agree they are part of a larger story, bound each to each by chance, bonded by the heart's mysteries. When at last their shared fate arrives, landing them on a mantel in a blue room...