When a young mother is found dead in her home with a mysterious symbol drawn on her body, is shaken to her core; it's a perfect match to the birthmark she once saw on her old partner, . Formerly one of the best criminal psychologists on the police force, Nathan was renowned for getting deep into the minds of the murderers he hunted. But for the past year he has lived in isolation, terrified of losing control over his own dark desires... Katie swore she'd never knock on Nathan's door again, but when another woman's body is found, she knows she doesn't have a choice. As the body count rises and the calling cards get increasingly personal, Katie and Nathan realise that someone very close to them is playing a dangerous game. What readers are saying about : ' - what an explosive start to a new crime series! This was that ... Lots of and an ending that wasn't guessed until the final few chapters.' Goodreads reviewer, 5 stars 'A Trust no one!' Goodreads reviewer 'Within the first few chapters I knew this would be ... I kept needing to turn pages because and ... ' Goodreads reviewer 'An read with and action... ... it is I just took it all in and kept reading to see what would come next.' Goodreads reviewer 'The next big name in crime fiction... - it was from this fabulous author.' Goodreads reviewer, 5 stars ' in this cleverly written serial killer story... ... Enjoy this edge of your seat thriller.' 'The next big name in crime fiction... from this fabulous author.' Goodreads reviewer, 5 stars