In the wild crags of the Dark Peak moorland, a ruthless conflict has been raging for years. The discovery of an illegal haul from the bedroom of a terraced house is a clue to what might be at stake - perhaps the entire future of one of the most prized landscapes in the Peak District National Park.
For young Derbyshire police detective DC Ben Cooper, an assignment to the Rural Crime Squad means stepping into the middle of the conflict, without being quite sure whose side he's on.
The predators come in all shapes and sizes. And in this battle, not all the victims will be human...