Jakub Rand flees his village for Prague, only to find himself trapped by the Nazi occupation. Deported to the Theresienstadt concentration camp, he is forced to sort through Jewish books for a so-called Museum of the Extinct Race. Hidden among the rare texts is a tattered prayer book, hollow inside, containing a small pile of dirt.
Back in the city, Františka Roubíčková picks over the embers of her failed marriage, despairing of her conversion to Judaism. When the Nazis summon her two eldest daughters for transport, she must sacrifice everything to save the girls from certain death.
Decades later, Bram Presser embarks on a quest to find the truth behind the stories his family built around these remarkable survivors.