Dr. Dylan Reinhart, a former CIA operative, is lured back to his old life when the NYPD needs his help to stop a serial killer. He is a gifted author and university professor living a quiet life teaching psychopathic behaviour to packed classes of adoring students. But when tenacious top NYPD detective Lizzie Needham appeals to him to help her catch a serial murderer who is using Dylan¿s fi rst book as a tutorial, Dylan is compelled by the case and comes out of retirement. Though Dylan and Lizzie initially clash, when it comes to catching killers, they realise they will make an ideal team if they both trust their instincts. (Verlagstext)