Following a terrible fight with her mother over her boyfriend, 15-year-old Holly Sykes slams the door on her family and her old life. Now, as she wanders deeper into the English countryside, visions and coincidences reorder her reality until they assume the aura of a nightmare brought to life. For Holly has caught the attention of a cabal of dangerous mystics --- and their enemies. But her lost weekend is merely the prelude to a shocking disappearance that leaves her family irrevocably scarred.