When schoolboy super-sleuth Henry Hunter uncovers a clue about the legendary Beast of Snagov, the origin of all vampires, he and friend Dolf travel to Whitby and Romania on its trail. Unraveling clues from Bram Stoker's Dracula, and the legend of Vlad the Impaler, they encounter Dracula's daughter Bella Dracula. But is she a friend or a foe? And, can the trio evade the sinister forces that are tracking their every move, intent on releasing the Beast from its underground tomb?