Two sisters separated after the younger one, Rose, who is not even two-years old, suddenly disappears while they both played in a courtyard just weeks before the Fall of Saigon in 1975. Believing that Rose was lost forever, the older sister is contacted by a woman who claims she was lost on the streets of Saigon and is searching for her family. Through the technology of a simple mail-in DNA test, the sisters are reunited after 43 years.