DI Gravel and his daughter, Emily, are oblivious to the terrible danger she is in when she accepts a job working for the solicitor Charles Turner. 

Meanwhile, Gravel is on the hunt for a serial killer. And when Emily becomes the killer’s latest obsession, the murderer will stop at nothing to make his grotesque fantasies reality. But as further bodies are discovered, the killer seeks to befriend DI Gravel and misdirect his investigation. 

How can you catch a killer who is hiding in plain sight? Can DI Gravel and Emily come away from this case with both their lives intact?