Fitz is full of Eastern promise when his lecture tour to Hong Kong is interrupted by the local police who need help with a murder investigation. No sooner is he on the case than another murder comes to light. Is Hong Kong being besieged by it first serial killer?

Fitz has no choice but to send for help and though he asks for Penhaligon, it's Wise who turns up. With the team together and the number of bodies increasing, Fitz realises that there are pieces to the puzzle that he has to find if he is to save a life.