Unlock secrets as old as time itself Dan Brown's novel has sparked a debate that could change Christianity forever. Were Jesus and Mary Magdelene married and co-leaders of their movement? Was Mary Magdelene herself, the Holy Grail? Did the early Church know these truths and keep deliberately keep them from their followers? Is their a secret society that protects the holy bloodline? Have some of the most illustrious names in art and science been members? This documentary examines both sides of the story - the conventional view of Christianity and the alternate history proposed by Dan Brown.