A father's final warning. When a catastrophic attack on the nation plunges the world into chaos, civilization collapses overnight. Amidst the anarchy, New York thrift store owner Erika Blake stumbles upon a leather-bound survival guide—The Safety Plan. Written by a father to his estranged son, Michael Shepherd, it outlines a path to safety, but at a cost. To escape the disaster, Erika must choose: follow the journal’s coordinates to a remote estate in Maine or track down its intended recipient—the only man who may hold the key to her survival.

A nerve agent is deployed in cities across the country, and within hours tens of millions are dead—but the worst is yet to come. Caught in the middle of the attacks in Los Angeles, the vacationing O’Brian family barely survives by the skin of their teeth—but soon find themselves trapped in the midst of a city of the dead. The only way back to their family in Oregon is to go straight through the heart of the charnel house, a prospect that is easier said than done.

When the people of Waxahachie, Texas wake to find themselves cut off from the rest of the world and surrounded by an unfamiliar and dangerous wilderness, they must work together to survive and unravel the cause of the mysterious "seam".

Kyle was the first to detect the incoming threat. As a leading astronomer in the study of Near-Earth Objects, his obsession with a rare asteroid containing three orbiting moons provided the only warning. But it wouldn’t be enough to protect his daughter, let alone the rest of the world. Dallas has committed her life to unraveling the mysteries of deep time and humanity's ancient past. Confronted with its imminent extinction, she’s forced to rely on the relationships made in the present and draws upon her unique skillset to seek unexpected answers.

Edmund Gunderson—former Terran governor of the colony world of Belzagor—returns eight years after the planet has gained independence, drawn back for reasons he can’t quite explain. Things have changed significantly since he left, and he plays his part well—slightly pompous former government official—for the tourists he encounters on the way down. But this is more than a simple sight-seeing visit. As Gunderson comes face-to-face with the consequences of his former attitudes and actions, he finds himself on a journey—both physical and spiritual—to the legendary mountain of rebirth.