When a seventeen-year-old Moldovan boy is found dead on Hampstead Heath, the case falls to DCI Karen Shields and her overstretched team. Karen knows she needs a result. What she doesn't know is that her new case is tied inextricably to a much larger web of gang warfare and organised crime which infiltrates almost every aspect of London society.The compelling new novel from the Cartier Diamond Dagger winner and Sunday Times bestseller