DI Tom Thorne is back in London for the first time in several books, investigating the murder of DI Nicola Tanner's partner and the trail of organised killings that have preceded it. Mark Billingham is a two time winner of the Theakston's Old Peculier Award for Crime Novel of the Year This heart-pounding thriller from multi-award-winning number-one bestseller Mark Billingham sees DI Tom Thorne take the biggest risk of his career as he and DI Nicola Tanner investigate a series of brutal killings in London