Steven Grimes is suffering from writer's block. Once an avid writer, he is plagued by an inescapable force that seems to be controlling his mind. After a strange encounter with a man known only as Heflin, Steven is thrust into a world he does not understand. It is a world driven by a faceless evil that has awakened within an ancient festival called Samhain. It wants him to write his greatest masterpiece, a book that can either save humankind from inevitable doom or plunge it into eternal darkness.