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.

In a desperate attempt to prove his innocence, Kaine is forced to rely on two women he barely knows-a country veterinarian who treats his wounds and an IT expert with a dark secret of her own. Kaine must battle his overwhelming guilt, life-threatening injuries and strong moral code as he hunts for the people who turned him into a mass-murderer.

Caleb Lambert kills people for a living. The money is nice, but it comes a distant second to his primary reason for choosing such a vocation: Caleb often calls it “scratching an itch”. Here’s the thing, though: Caleb won’t just accept any contract. He and his team thoroughly vet each and every prospective mark to make sure they deserve to be punished.

CIA operative Mark Pierce is a trained killer with a strict moral code—he only targets those who truly deserve to die. So he has no qualms about taking out Victor Vautrin, an international arms dealer supplying fanatical terrorists in West Africa who may soon trigger a brutal civil war. But when he is tasked with other objectives—rescue kidnapped tourists and recover eleven million dollars of stolen CIA money—it quickly becomes clear to Pierce that someone doesn't want him to succeed in his primary mission.

A master assassin craves one thing above all else: a normal everyday life. Trained to be a killer from the age of 11, Peter has never known the things the average person takes for granted. He has always been an asset. Burned by the CIA and now occupying their secret hit list, he works overseas as a Ronin, living a solitary life in hiding. But someone knows where he is. A strange man arrives at his door offering Peter the chance of a real life. "Get this done and you can be free," he is told.

CIA operative Mark Pierce is a trained killer with a strict moral code—he only targets those who truly deserve to die. So he has no qualms about taking out Victor Vautrin, an international arms dealer supplying fanatical terrorists in West Africa who may soon trigger a brutal civil war. But when he is tasked with other objectives—rescue kidnapped tourists and recover eleven million dollars of stolen CIA money—it quickly becomes clear to Pierce that someone doesn't want him to succeed in his primary mission.

In the wilds of Siberia, a top-secret Russian fighter goes missing on a test flight. The Russian Air Force begins a search, oblivious to their error: they are looking in the wrong spot. The pilot, Colonel Maxim Primakov, has crash landed during an attempted defection. The new chief of CIA clandestine operations, David Slaton, wants desperately to find him, but only one man is in a position to reach Primakov—Tru Miller, a rookie operator. Slaton plots a rescue deep inside Russia, not realizing that he will have to outfox the one other man who knows the truth.

Caspian Anderson is a translator for the United Nations—or so he’s led everyone to believe. No one suspects that mild-mannered Caspian, with his baggy clothes and sensible car, is actually an elite assassin for the US government. And that’s just how he wants it. For ten years, Caspian has worked under the code name Elias for Onyx, a black program deep within the Department of Homeland Security. His latest mission takes him to Switzerland to kill a target tied to a human trafficking ring. There, Caspian stumbles onto a web of conspiracies involving high-level political figures.

After a covert mission became personal, the only way elite counterterrorism operative, Alexander King, could keep his loved ones safe, and the eyes of Washington's enemies blind to his existence, was to disappear. A year after his family buried a body they thought was his, King saves a young woman from a car bomb in London, and that's when his work in the shadows becomes complicated. Because she's not who he thinks she is, and the web that King is pulled into is tangled with enemies that reach the highest levels of the United States government.

Ex-special forces operator Amos Carver is being framed for murder. Carver hasn't killed anyone. At least not for a few years, and certainly not in some backwoods Georgia town. He would never harm the person they're accusing him of murdering. But nobody believes him. And no one is willing to help prove otherwise.