Having found out who had been hiding behind the mask of Jack the Ripper, an upset and heartbroken Audrey Rose Wadsworth leaves London for Romania. Together with another student of her uncle—charming Thomas Creswell—she ends up at Castle Bran: not only one of the best schools of forensic medicine in the world, but also the home of Vlad the Impaler, whose thirst for blood became legendary. The girl gladly plunges into her studies, but soon crimes begin happening in the castle and its surroundings, and people whisper that Vlad Dracula has returned. Audrey Rose is sure it’s the work of a copycat, which means she’ll have to find the criminal again. But will she manage to survive another shock and handle such a dangerous task?