Over the past two decades, Nick Horrigan has built a quiet, safe life for himself, living as much under the radar as possible. But all of that shatters when, in the middle of the night, a SWAT team bursts into his apartment, grabs him and drags him to a waiting helicopter. A terrorist - someone Nick has never heard of - has seized control of a nuclear reactor, threatening to blow it up. And the only person he’ll talk to is Nick, promising to tell Nick the truth behind the events that shattered his life twenty years ago.

Go to war or go to jail. For small-time street hustler Cam Alvarez, the choice is simple.... He has no family, no friends, no place in the world...nothing to lose. When his latest con results in the death of a cartel hit man, Cam opts to join the Marines and leave Earth to fight a vicious alien enemy. Drafted into the Marine Drop-Troopers, Cam discovers there’s one thing he’s even better at than running street-con games, and that’s killing the enemy.

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.

TOP GUN instructor Colt Bancroft has just catapulted off the USS Abraham Lincoln, his F-35C Joint Strike Fighter trailing blue and yellow flame as he climbs into the night sky off the California coast. When he is sent to investigate a series of mysterious lights floating dangerously close to his aircraft carrier, disaster strikes. His jet becomes unresponsive as it rolls inverted and enters a nosedive aimed right at the aircraft carrier’s unsuspecting escort cruiser… What follows is a tale of heroism and betrayal, spycraft and suspense, and aerial combat against an unexpected adversary.

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.