An ancient decoder has been stolen from a collection of Vatican art. When an archeologist discovers its history to the Knights Templar she enlists a NY detective to find it before it falls into the wrong hands. Clue by clue, continent by continent and murder by murder, the quest is on to discover the secret that could change the course of history. Based on the novel The Last Templar by Raymond Khoury   https://cosmiccauldronbooks.com.au/p/last-templar-raymond-khoury/