Doyle's friend, Dracula author Bram Stoker, is being hunted by "vampire hunters." Doyle, Adelaide, and Houdini discover that Stoker's fiction has inspired rival cults of delusional, faux-vampires and hunters, but what if Cecilia's fears are correct and vampires are real, starting with Stoker -- Meanwhile, Adelaide discovers the anarchist group's connection to her husband's death, Stoker and Doyle commiserate about creating characters that make people fanatical, and Houdini rejects his mother's superstitions about vampires until...