This documentary explores several of the places and themes from Dan Brown's popular novel and film adaptation The Da Vinci Code. Through interviews with the some of the world's most renowned authorities, Dan Brown provides the viewer with an in-depth understanding of who the Knights of Templar were, as well as expounding on the mystery of the Gnostic Gospels and the possible hidden messages in Da Vinci's works. Other controversial subjects, such as the effect the Roman Empire had on the Catholic church, the mysteries of the Rennes-le-Château, and even the potential marriage of Jesus to Marry Magdalene receive thoughtful insight.