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.

Evan Smoak is a man with skills, resources, and a personal mission to help those with nowhere else to turn. He’s also a man with a dangerous past. Chosen as a child, he was raised and trained as an Orphan, an off-the-books black box program designed to create the perfect deniable intelligence asset: An assassin. Evan was Orphan X - until he broke with the program and used everything he learned to disappear. But now someone is on his tail.

As a young man, John Bannack worked hard on his brother's farm—until times got tough and his brother grew desperate. Desperate enough to rob a bank. Unfortunately, John's brother left a trail that led straight to the Bannack farm. When a posse showed up to make an arrest, John made a fateful decision: He confessed to his brother's crime. Sacrificed his freedom for the sake of his brother's family. And doomed himself to a hard, hellish life in a rat-hole state prison.

John Dempsey's life - as an elite Tier One Navy SEAL named Jack Kemper - is over. A devastating terrorist action catapults him from a world of moral certainty and decisive orders into the shadowy realm of espionage, where ambiguity is the only rule. His new mission: hunt down those responsible for the greatest tragedy in the history of the US Special Ops and bring them to justice.

Everything he learned to protect the president, he must use to take out theirs. With an American president distracted by growing tensions in North Korea and Iran, an ominous new threat is emerging in Moscow. A czar is rising in the Kremlin, a Russian president feverishly consolidating power, silencing his opposition, and plotting a brazen and lightning-fast military strike that could rupture the NATO alliance and bring Washington and Moscow to the brink of nuclear war. But in his blind spot is the former U.S. Secret Service agent, Marcus Ryker.