Since the events of the Ripper case, Chandler is now permanently stationed at Whitechapel with Miles, McCormack and Kent. Fitzgerald has been demoted to PC with his position taken over by DC Finley Mansell. After a spate of gruesome killings and maimings, Buchan suggests that the crimes seem to replicate those of the much-feared Kray Twins of the 1960s, powerful ganglords who once terrorised the East End of London. Are their underworld murders being painstakingly recreated?