Mia, a beautiful Jewish teenager, loses everything in the onslaught of World War II: her home in Lodz, Poland; her classical music studies; and her entire family who perishes at Auschwitz. She embarks on a perilous odyssey through Poland to join a secret cadre of Jewish militia, before escaping to America. Determined to avenge her family's deaths, Mia leaves behind the man she loves to return to Europe as a double agent. Just when it seems that pain and loss will be her permanent companions, a surprising letter offers the prospect of a very different outcome.