A severed hand is left in the centre of Manchester and the only clue to go on is CCTV footage of a woman in a long black robe placing it carefully on the ground. With a lengthy missing persons list and frantic families wondering if it belongs to absent loved ones, Jessica has plenty to deal with. By the time a second hand is found and a local MP's wife goes missing, Jessica's left struggling to discover who the appendages belong to, how they are connected and just who the mysterious woman is.