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.

Defense Intelligence Agency operative Matt Drake broke a promise. A promise that cost three people their lives and crippled his best friend. Three months later, he's paralyzed by survivor's guilt and haunted by the memories of the fallen. Matt may have left Syria, but Syria hasn't left him. In the midst of his self-imposed exile, Matt is dragged back into the world of espionage and assets that he tried to forget. A Pakistani scientist working for an ISIS splinter cell has created a terrifying weapon of mass destruction.

Ty Draker is a marked man with no idea why.Chased by ruthless operatives, Draker’s sole ally is Beau—just a mysterious voice on the phone. In exchange for Beau’s help clearing his name, Draker agrees to work as a fixer, crisscrossing the country to right wrongs.

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.

Danger lurks in the sleepy little town of Marathon, in the middle of the Florida Keys, as well as in the swamps of the Everglades. But danger doesn't expect to run into a man like Jesse. A man who will not only respond swiftly in facing it, but with a vengeance unexpected.