The Devil's Edge

In their most gripping, relentlessly suspenseful case ever, Detective Constable Ben Cooper and Detective Sergeant Diane Fry investigate a series of terrifying and lethal home invasions in the Peak District. After Cooper's brother shoots a burglar, Fry takes the reins, and Cooper must watch his rival pursue the case to its bitter end, even as he unearths evidence linking the crimes to the nearby city of Sheffield.