Berlin, 1943: Margot Friedländer's mother and her brother Ralph are arrested by the Gestapo and deported to the East. Unaware of her family's whereabouts, young Margot hides in the Berlin underground. After 15 months, she is caught and deported to Theresienstadt. She hopes to finally see Ralph and her mother again, but both have already been deported to Auschwitz.