Sophie Mandel was only seven years old when she arrived in London on the first Kindertransport from Germany. She has grown up with a friend of her parents, a woman she calls Aunt Em, and despite the war and its deprivations, she has made a good life for herself in England with her foster mother. She has even stopped thinking about the parents she left behind. Now the war is over, and fourteen-year-old Sophie is faced with a terrible dilemma. Where does she belong?