New York Times bestseller Suzanne Brockmann's brilliant new Troubleshooters book is guaranteed to make your heart race and your blood chill. Danger can be addictive. Troubleshooters Inc.'s second-in-command Alyssa Locke is no stranger to dealing with danger. As a former FBI agent, guarding lives is Alyssa's game and no one plays it better. Now her toughest challenge will be protecting herself from 'The Dentist', a sadistic murderer she has relentlessly pursued for over a decade. Alyssa's new assignment was supposed to be an easy one: take a squad to New York to teach self-defence to a newly-elected congresswoman receiving death threats. But the job takes a more sinister turn as they discover a dead boy and Alyssa finds herself heading up a murder investigation. Then Alyssa is ambushed and finds herself imprisoned by The Dentist, the mastermind behind it all. Cut off from everyone, Alyssa must use all her skills as he prepares to make her his ultimate trophy. One one can survive - who will it be?