The nation is thrown into darkness. Nuclear attacks kill millions. No one is coming to save you. When the warning of an imminent attack on America appears online, Jack assumes it's a hoax. But after the electrical grid is wiped out and a nuclear bomb levels downtown LA, his world crashes down. He's got only minutes to save himself. And the worst part? He's a thousand miles from Annie, his wife. With time running out on the West Coast, Jack must search for safety before it's too late. How can he escape the violence breaking out in LA and make it home to Texas?

Clint Redshaw walks into a port facility meeting expecting an ordinary day arguing about the budget. When the shaking starts, he keeps calm. But as the tremors stretch on and on, the ground rips apart, the dock disintegrates, and chunks of land fall into the Strait. When the quake finally ends, there's only one thing on his mind: his daughter. Mika's singing songs and laughing with a gaggle of other sixteen-year-olds as they climb into the Pacific Northwest mountains for a scout weekend. One minute, it's sunshine and good vibes, and the next, it's screaming and chaos.

Before the lights went out, Jack Warrant never considered himself a prepper. That was someone on the edge, a conspiracy theorist or a doomsday cultist who had a fatalistic view of the world. He was neither a theorist nor a cultist. He was an optimist. At least that was what he told himself when the darker thoughts creeped into his psyche as he stared at the ceiling in the middle of the night. Whenever he started down the rabbit hole, he always clawed his way back into the sunlight.

As earthquakes are triggered, fault lines split, buildings crumble, and monstrous tsunamis rush inland, Jax, his daughter Zoe, and a group of civilians with vastly separate lives collide in the Northwest in an interweaving story of survival, loss, and redemption. Meanwhile, Natalie Reid is at the Gatlinburg Midnight Parade, charged with caring for teens from a group home; when the earth shakes, the sky lights up in a brilliant light, and planes fall from the sky.

When Amanda Thomlin finds herself face-to-face with the reality that she may never see her mother again, the overwhelming uncertainty nearly immobilizes her. A kind father figure steps up and takes her under his protection, bringing her into his family.