When a severed hand, clutching a gun, is found in a Chinatown alley in downtown Boston, detective Jane Rizzoli climbs to the adjacent roof-top and finds the hand's owner: a red-haired woman whose throat has been slashed so deeply the head is nearly severed. She is dressed all in black, and the only clues to her identity are a throwaway cell phone and a scrawled address of a long-shuttered restaurant. With its wary immigrant population, Chinatown is a closed neighbourhood of long-held secrets – and nowhere is this more obvious than when Jane meets Iris Fang. Strikingly beautiful, her long black hair streaked with grey, she is a renowned martial arts master. Yet, despite being skilled in swordplay, neither she nor her strangely aloof daughter, Willow, will admit any knowledge of the...