A tense and utterly addictive police procedural set on the Lancashire moors featuring Sergeant Jessica Raker. Former Metropolitan Police firearms officer Sergeant Jessica Raker is on a mission to bring down a brutal organized crime group operating in the idyllic Ribble Valley. The OCG's leader, Mags Horsefield, is determined to make one of the members pay for getting caught by the police, using her contacts to make sure he's released from prison early . into her waiting clutches. Jess knows Mags from their school days, but their lives now couldn't be more different. A fire at a local mill puts Jess on the tail of Mags' OCG; is this her opportunity to catch the Ribble Valley's most wanted criminal? The battle lines have been drawn, but when Jess is called to an incident at Wolf Fell Hall, a series of terrifying events follow . This heart-in-the-mouth read full of dark twists and featuring a fearless female sergeant is ideal for fans of Tana French and Tess Gerittsen.