Mayhem blossoms throughout the city as Osric struggles to correct the bloody sins of his past. His apprentice Edward Sax has become difficult to guide; the Boy Murderer is thirteen years old, grieving his sister's betrayal, and is full of anger - a dangerous combination. Eleanor, out for vengeance, makes her plans. But so too does a figure from the deeps of the undercity - Londun is about to learn a new name, as smoke rises and blood runs from the rooftops.