On a bitterly cold winter's night, Liverpool is left stunned by a brutal murder in the grounds of the city's Anglican Cathedral. A killer is on the loose, driven by a chilling rage. Put on the case, DS Nathan Cody is quickly stumped. Wherever he digs, the victim seems to be almost angelic - no-one has a bad word to say, let alone a motive for such a violent murder. And Cody has other things on his mind too. The ghosts of his past are coming ever closer, and - still bearing the physical and mental scars - it's all he can do to hold onto his sanity. And then the killer strikes again . . .