When Gideon, a successful composer, travelled to Europe with Kate for a romantic affair, he was expecting passion and excitement, not a journey into a nightmare. Yet whenever Kate introduces Gideon to any of her friends, he sees horrifying visions, ghastly images of their torture, murder, or worse. With each glimpse of hell Gideon realizes that nothing--and no one--around him is what they seem. But what are they really? And what do they want from him?