657 days ago Meg's British father left their home in France to fight the Nazis, leaving some codes in a jar for her to decipher, and Meg and her French mother moved to the Perche, a region in France near Normandy known for its forests; now Meg watches the German soldiers in town, and sometimes carries messages for the French resistance--but suddenly things have gotten much more dangerous: there is a wounded British officer hiding in her grandmother's...

In 1942 sixteen-year-old Chaya Lindner is a Jewish girl living in Nazi-occupied Poland, a courier who smuggles food and documents to the isolated Jewish ghettos in southern Poland, depending on her forged papers and "Aryan" features--but when a mission goes wrong and many of her colleagues are arrested she finds herself on a journey to Warsaw, where an uprising is in the works.