The Klein family is slowly but surely losing everything they hold dear--or ever took for granted--as Hitler's anti-Jewish laws take hold in 1930s Berlin. In desperation, fifteen-year-old Rosa is put on a Kindertransport train out of Germany to begin a new life in England. In a foreign country, barely able to make herself understood, she struggles to find a way to rescue her parents. Overtaken by the war, however, they gradually lose touch. Now Rosa must face the prospect of not only being unable to fulfil her vow to save her family but also of an unknown future, quite alone.