In the murky shadows of an alley lies a femalexs severed hand On the tenement rooftop above is the corpse belonging to that hand a red-haired woman dressed all in black the body nearly decapitated Two strands of silver hair x not human x cling to her body They are Rizzolixs only clues but theyxre enough for her and medical examiner Maura Isles to make a startling discovery This violent death had a chilling prequel Nineteen years earlier a horrifying murder-suicide in a Chinatown restaurant left five people dead One woman connected to that massacre is still alive a mysterious martial arts master who knows a secret she dares not tell a secret that lives and breathes in the shadows of Chinatown A secret that may not even be human Now shexs the target of someone or something deeply and relentlessly evil Cracking a crime resonating with bone-chilling echoes of an ancient Chinese legend Rizzoli and Isles must outwit an unseen enemy with centuries of cunning x and a swift avenging blade.