Cody Hoyt, while a brilliant cop, is an alcoholic struggling with two months of sobriety when his mentor and AA sponsor Hank Winters is found burned to death in a remote mountain cabin. At first it looks like the suicide of a man who's fallen off the wagon, but Cody knows Hank better than that. Sober for fourteen years, Hank took pride in his hard-won sobriety and never hesitated to drop whatever he was doing to talk Cody off a ledge. When Cody takes a closer look at the scene of his friend's death, it becomes apparent that foul play is at hand. 

A twelve-year-old girl and her younger brother are on the run in the Idaho woods, pursued by four men they have just watched commit murder—four men who know exactly who William and Annie are. And where their mother lives. Retired policemen from Los Angeles, the killers easily persuade the local sheriff to let them lead the search for the missing children. Now there's nowhere left for William and Annie to hide…and no one they can trust. Until they meet Jess Rawlins.

As a decorated undercover DEA special agent, Garrett Kohl has traveled the world - and fought in most of it - but it’s the High Plains of northwest Texas he calls home and dreams of returning to one day. Kohl is in the middle of an assignment in Afghanistan when his commander orders him back to Texas on a short mission expected to take a week at most. But Kohl is unsettled to discover that he’s moving from one kind of war to another.

Ex-Special Forces operator Tom Keeler is a rambling man. He’s just passing through the town of Alencourt, France, and in less than an hour, someone tries to kill him. Nice place, nice try. But it’s a case of mistaken identity, and they picked the wrong guy. The French police can’t be trusted, except for the beautiful Cecile Nazari. She finds out fast that keeping up with Keeler is a dangerous occupation. Because someone’s preying on the weak and unprotected. Someone murderous. But they never counted on coming up against a guy like Keeler. 

Court Gentry is known as The Gray Man—a legend in the covert realm, moving silently from job to job, accomplishing the impossible, and then fading away. And he always hits his target. But there are forces more lethal than Gentry in the world. And in their eyes, Gentry has just outlived his usefulness. Now, he is going to prove that for him, there's no gray area between killing for a living-and killing to stay alive.