1892. Jack the Ripper ist immer noch nicht gefasst. Derweil bringt Pitts Aussage im überfüllten Old Bailey John Adinett das Todesurteil wegen Mordes an seinem Freund Martin Fetters. Dafür wird Pitt nicht etwa belobigt, sondern in das düstere East End zu einer Spezialeinheit versetzt. Dort erwarten ihn die schlimmsten Horrorgeschichten seiner Laufbahn.
When evidence presented in court by Thomas Pitt leads to the execution of a distinguished soldier and archaeologist, the retaliation from the hanged man's influential friends is swift. The murderer was a member of the Inner Circle, a group of men whose power extends further than Pitt realised was possible, and, within days, he loses command of the Bow Street police station. To protect him from the Inner Circle's hatred, he is forced to leave his family to work undercover in the dangerously volatile East End.