A secret sect of the Catholic Church, using an ancient book called the “Gospel of Shadows,” has been methodically destroying vampires for many centuries. But one day the priceless tome mysteriously disappears. The priests have no doubt about who kidnapped him, and they, fearing that their mission will be made public, rush to search. However, at the moment when the Vatican servants have almost reached their goal, Peter Octavian intervenes in the matter, ready to turn the world upside down , to take possession of the "Gospel of Shadows" before the clergy. During his long existence, he was a prince, a warrior, a killer, a wanderer, a thief... Now he is a private detective and... a vampire!