Becky Mortkowicz's family are Jewish refugees from Poland, while Claudette leads a happy carefree life in Paris. Two girls from very different backgrounds, but the horrors of the Nazi occupation will bring them dramatically together. Becky's family have been forced to flee Warsaw for France and are offered a home by Claudette's father. The friendship between the two girls blossoms, but Becky's safe haven is short-lived as the Nazis edge ever nearer the French border. Her family are soon on the move again. But even in the so-called Free Zone there are murmurings that an invasion may be imminent. Will Becky survive the war to see Claudette again?