From 1939, when Syvia is four and a half years old, to 1945 when she has just turned ten, a Jewish girl and her family struggle to survive in Poland's Lodz ghetto during the Nazi occupation.

Sixteen-year-old Catholic Stefania Podgórska has worked in the Diamant family's grocery store for four years, even falling in love with one of their sons, Izio; but when the Nazis came to Przemyśl, Poland, the Jewish Diamants are forced into the ghetto (and worse) but Izio's brother Max manages to escape, and Stefania embarks on a dangerous course--protecting thirteen Jews in her attic, caring for her younger sister, Helena, and keeping everything...

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.