As Pitt delves into the case, he finds that there is more to the terrorism than the destructive gestures of misguided idealists. The police are running a lucrative protection racket, and clues suggest that Inspector Wetron of Bow Street is the mastermind. As the shadowy leader of the Inner Circle, Wetron is using his influence with the press to whip up fears of more attacks - and to rush a bill through Parliament that would severely curtail civil liberties. This would make him the most powerful man in the country.