For NYPD detective, Kathy Mallory, there is something about the girl that she understands. Mallory is damaged, they say, but she can tell a kindred spirit. And this one will lead her to a story of extraordinary crimes; murders stretching back fifteen years, blackmail and complicity and a particular cruelty that only someone with Mallory's history could fully recognise. In the next few weeks, Kathy Mallory will deal with them all ... in her own way.