Katie didn't expect the most haunted castle in Europe to hold the answers to an incredible family secret. During a summer studying abroad in Transylvania, she finds herself at the gates of Bran Castle, the one time prison of medieval ruler, Vlad "e;The Impaler."e; More recently, in life, Bran Castle was home to the King and Queen of Romania. In death, the castle was home to just the queen's heart.Now, along with 15-year-old Katie's friends Cam, John, and new roommate Ruth, she uncovers a century-old mystery and a terrifying adventure. Will haunting spirits from the past lead her to safety and treasure, or push her into the hands of a deadly ex-secret policeman hunting for the same prize?