Tucked away in a high-tech Tactical Operations Center, inside an isolated safehouse in the Horn of Africa, sits Agency analyst Zack Altringham. He is Kenyan-born, Princeton-educated, badly burnt-out—and condemned by his language and cultural skills to a lifetime of fighting America's shadow counter-terror wars. But when another mystery epidemic breaks out, terrifyingly quickly it reaches a tipping point and chaos descends—and Zack and his team (including two former Team Six SEALs) are trapped between the millstones of the sick and the dying on one side, and heavily armed militias on the other.

Two and a half centuries before the Hell Divers, the Machine War erupted—autonomous killer robots turning Korea into a battlefield that threatened to consume civilization. As the dust settles, three men stand at the crossroads of humanity’s fate. CEO Tyron Red, thrust into leadership of the Industrial Tech Corporation after his father’s death, works to reverse the war’s catastrophic effects while battling enemies, both human and machine, lurking in the shadows.

The Galahad, a faster-than-light spacecraft, carries 50 scientists and engineers on a mission to prepare Kepler 452b, Earth's nearest habitable neighbor at 1400 light years away. With Earth no longer habitable and the Mars colony slowly failing, they are humanity's best hope. After 10 years in a failed cryogenic bed - body asleep, mind awake - William Chanokh's torture comes to an end as the fog clears, the hatch opens, and his friend and fellow hacker, Tom, greets him...by stabbing a screwdriver into his heart. This is the first time William dies.

Dakota Sloane, a tough-as-nails former foster kid, has spent her life running from the past. A man haunted by secrets, Logan Garcia has only one goal: to drink himself into oblivion. They're two strangers in a bar—until the news reports nuclear detonations in New York City and Washington, D.C. Before they can escape Miami, everything explodes. Buildings collapse and fires rage. As the fallout descends, utter chaos erupts.

A secret buried in the Antarctic. A puzzle unsolved for thousands of years. And a Brooklyn-born master gunnery sergeant who's royally pissed that he has to babysit the researchers sent to figure it all out. But when Patrick "Wic" Finnegan finally sees what the team has uncovered, he can't believe his eyes, nor is he prepared for the violence to come. Soon, the portal opens and unleashes a storm of unbridled fury upon humanity.