In June 1943, Ina Soep, the rich and beautiful daughter of an Amsterdam diamond cutter, met a married couple—a poor accountant named Jack Polak and his vivacious wife, Manja—at a birthday party for a friend. Six months later, the three of them were sharing a barrack at Kamp Westerbork, a Nazi holding camp in the north of Holland. So begins one of the most complex stories of love, hope and transcendent luck to emerge from the Holocaust.