Forming the loose sequel to Bill's bestselling debut, the new novel once again stars Special Investigator Nancy Kronziac and the widespread conspiracy that seems to have spread to every area of US society.

Starting from a simple kidnap and murder of a young girl, Cherie Blaynes, Nancy gradually starts to realise that there is something far more insidious at work. As murder follows murder and she and her colleagues begin to crack various cryptic clues that the UNSUB has left behind, a fundamental pattern begins to emerge. A pattern that points not only to the sordid recent past but to a mathematician who died over 200 years before...