For thirteen-year-old Sarah Waldman, life in the small Polish town of Olkusz is idyllic, grounded in her loving, close-knit family and the traditions of their Jewish faith. But in 1939, as the Nazis come to power, a storm is gathering-a relentless, unforgiving storm that will sweep Sarah and her family into years of turmoil in the ghetto and concentration camps, tearing them apart.