Across Britain, bodies are turning up in places with nothing in common--nothing, that is, except the first letter of their county.
A message written in murder. A pattern only one man can see.
As Sherlock Holmes and Dr Watson race to unravel a trail that stretches from quiet villages to corridors of power, they are haunted by the return of a brilliant enemy thought long gone--an adversary whose vengeance is as cunning as it is personal.
To stop the County Killer, Holmes must solve more than a string of crimes--he must confront a past that refuses to stay buried.