Following a scalding row with her mother, fifteen-year-old Holly Sykes slams the door on her old life. But Holly is no typical teenage runaway: a sensitive child once contacted by voices she knew only as "the radio people," Holly is a lightning rod for psychic phenomena. 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 ...