Martina Cole’s novel centres around horrific and numerous murders of prostitutes. The ‘hard girls’ are being mutilated and raped, the killer seeming to have an immense hatred for how the girls live their lives and what they stand for. No clues are left behind, the scenes of the murders being thoroughly cleaned and the smell of clinical cleanliness is left hanging in the air. It’s the job of Kate Burrows and Annie Carr to find the dirt and catch this killer.