Humphreys.

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.

Mitch Matthews is writer struggling to make ends meet when his wife's brother offers them a first-class seat on a flight from Hong Kong to New York. When his wife needs to stay behind, it becomes an opportunity for some quality daddy-daughter time with his five-year-old Lilly. At check-in, they run into a strange Norwegian arguing with a huge Russian. A mysterious redhead is guarding a package in the business lounge. But everything is fine...right up until the event. Within hours of Allied Airlines 695 disappearing, a massive international search is launched.

Jack Noble faces off with Frank Skinner one final time. Skinner is judge, jury, and executioner, and he's prepared to carry out a death sentence. There's only one way out. Jack has to break all the rules. One final job to complete. One final life to take.

It was supposed to be over. But nothing in Jack Noble’s world ever stays that way. Captured. Transported. Delivered straight into the hands of his former handler, Frank Skinner. The man Jack once spared is now calling in the debt—and the cost is higher than Jack ever expected. Forced back into the shadow world of covert operations, Jack is tasked with one last mission. But this one isn’t about justice. It’s about survival. A woman he thought was dead has resurfaced, and her enemies have declared war. The only way out is to go in deeper than ever before.