Someone is killing Americans. The suspect is connected at the highest levels. Confronting him is impossible. Still, justice must be served…Long-retired Navy SEAL Thomas “T-Bone” Marks left the warrior business behind years ago. He’s now a happy, small-town teacher—until the wheels come off his world. A clandestine intelligence agency offers to help Thomas reclaim his life—in exchange for a few days of his time.

To the townspeople of Blayne, Utah, population 202, Nick Mercer was just a friendly thirty-something woodworker living in a small cabin at the end of a dirt road. But Nick also kept a fully stocked bug-out bag complete with a take-down sniper rifle, assorted passports and a pouch full of uncut diamonds hidden in the wall near his back door along with concealed surveillance cameras spread around his property.

Army veteran Mason Sharpe's world is turned upside down when his beloved fiancée is killed in a random shooting. Struggling to cope with his grief, Sharpe instinctively heads for the North Carolina town where he and his bride had planned to honeymoon. Alone on a beach, contemplating a future which now seems bleak and empty, he stares into the abyss. But then… A body washes ashore. An investigation begins and the police quickly pronounce an accidental death. But Mason isn't buying it. He believes the man was murdered and someone is trying to cover it up.

Terrence Rubble, better known as Trouble, is passing through Los Angeles. But when he witnesses a brutal act of violence, he doesn’t hesitate to intervene. He fends off the masked attackers, but not before they promise to make him pay with his life.

Son of a controversial Navy SEAL—trained since childhood to survive an "end of the world" collapse that never came—Nate Vigil roams America to see for himself the state of the nation and the character of those who call it home.