As the main entrance to the medieval city of Cracow, Poland, centuries of history have passed through Florian's Gate. But for Alexander Kantor, now a successful antiques dealer in London, the place holds only one memory. It was here that he was arrested by the Nazis as a young man. There he passed from freedom to imprisonment; there began a lifetime of challenges to his heritage, his well-being, his relationships and his faith. Through dramatic events...