After a man is found burned to ashes in his house, fire expert Ian Fenwick is called in by Northumbria police to help them in their investigation. What Fenwick uncovers however, is beyond anything he could ever imagine. As more and more people succumb to this terrifying power, Fenwick finds himself pursued by merciless killers. Fighting for his own survival, Fenwick is thrown into a nightmare world. A world that will burn forever unless he can stop the mysterious man known only as William. A man hell bent on changing the entire planet into an environment fit only for his allies; the mysterious and horrifying Visitors.