Hunting Jack Reacher is a dangerous business, as FBI Special Agents Kim Otto and Carlos Gaspar are about to find out. Otto and Gaspar are by-the-book hunters who know when to break the rules; Reacher is a wanted man, and a stone cold killer when things get personal. But is he friend or enemy? Armed with disinformation, they intend to find out. Only the secrets hidden in Margrave, Georgia, will tell them.

Nathan Tyler is an unassuming professor at a middling American university with a rather obscure specialty in mathematics—in short, a nobody from nowhere. So why is the White House calling? Summoned to Washington, DC, for a top-secret briefing, Nathan discovers that he’s the key to a massive foreign intelligence breakthrough. Reading between the lines of a cryptic series of equations, he could open a door straight into the heart of the Kremlin and change the global balance of power forever.

Reacher makes his way towards the entrance of a coffee shop. A young, stressed-looking guy in a suit brushes against him. Instinctively Reacher checks the pocket holding his cash and passport. There's no problem. Nothing is missing. But later in the day he finds something new has appeared in another pocket. A cryptic note. Reacher figures the guy in the suit must have planted it during their brief contact. Impressed by the guy's technique and intrigued by the message, he decides to find out more...

Pericles "Perry" Christo is a P.I. with a past. A one-time NYPD homicide cop, Perry has been struggling since he lost his badge, and his marriage, in a notorious corruption scandal. So when wealthy Upper East Side matron Julia Drusilla calls him one cold February night, he jumps at the chance to work what seems to be a straightforward (and lucrative) case. Julia needs Perry to track down the whereabouts of her beautiful yet aimless daughter, Angelina, who is about to become a very wealthy young heiress.

Hitching a ride cross-country, Reacher manages to thwart an unsavory criminal hiding out in a sleepy backwater town in rural Texas …