A restless Flynn attempts to assimilate back into his career as a librarian at the New York Metropolitan Library after many adventures abroad. Led to New Orleans by strange dreams, he finds himself in the midst of uncovering a conspiracy that involves the notorious vampire Prince Vlad Dracula. Once again, Flynn must overcome his fears and protect one of the world's most sacred artifacts, the Judas Chalice, or face the consequences of it falling into the wrong hands.