Separating fact from fiction, Secrets of Angels, Demons & Masons is the ultimate guide to the secret societies of Dan Brown's thrillers. Based on Dan Burstein and Arne de Keijzer's best-selling book, Secrets of Angels & Demons, this two-part documentary investigates the Illuminati and the Freemasons, two mysterious organizations central to Dan Brown's novel Angels & Demons as well as his upcoming sequel to The Da Vinci Code. Narrated by Tony Award-winning actor John Cullum, Secrets of Angels, Demons & Masons interweaves evocative archives with commentary by world-renowned experts, taking viewers on a suspenseful journey from baroque Rome to historic Washington D.C.