Victoria doesn't know she's lost.... A child of American missionaries disappears at a Beijing festival in 1940 and is never seen again. Although devastated, the parents continue their dedicated missionary work in China. After the birth of a second child, Japanese occupiers force the family into a detention camp. Olivia embarks on a quest to find her sister . . . Years later, the story continues as two sisters, raised in two different cultures, begin a search for identity and family. Set against the background of revolutionary change in 20th century China and America, China-born and American-raised Olivia hears her "call to China" and embarks on her own mission through the exotic country to find the sister she never knew.