When a serial killer strikes across a series of towns and the only potential witness is unable to speak, it is up to FBI Special Agent Riley Paige to enter the mind of this complex man, and to learn what, if anything, he knows. What do these victims have in common? What exactly did this man witness? In this dark psychological suspense thriller, Riley Paige must battle her own demons as she is summoned to solve a crime that leaves all others stumped, one that will force her to enter, too deep, into the mind of a psychopath…..