Twenty years ago seven rich, privileged students became friends at their exclusive private school, Potter's Field. Now they have started dying in the most violent way imaginable. Detective Max Wolfe has recently arrived in the Homicide division of London's West End Central, 27 Savile Row. Soon he is following the bloody trail from the back streets and bright lights of the city, to the darkest corners of the internet and all the way to the corridors of power.