Nineteen-year-old Iris Sunnaret and her three siblings live happily in a family that adopted them after their mother's accidental death. The youngest of the children, Iris has few clear memories of her mother and father, and no reason to question anything she's been told by the adoptive parents she loves and trusts. She believes her world is secure, knowable, immovable. Then history intervenes, in the form of the Vietnam War. Her two brothers are...