The most influential clandestine society in the history of the world is uncovered, a powerful man is murdered, and a mysterious ally appears with a thousand-year-old message as Doctor Julien Sauniere continues his hunt for the Holy Grail! From a disgraced order of knights to the secrets of a neoclassic painter, Julien Sauniere follows a trail of conspiracy that extends all the way to the walls of Jerusalem during the first crusade. In a Europe where sorcerers stalk the streets and the Catholic Church reigns supreme, Julien pursues a truth that could change the world forever. Powerful forces have dedicated themselves to ensuring he does not succeed.