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 recently divorced Catherine Shaw tries to reconnect with her young son Jordan by taking him on vacation in Yellowstone National Park, a series of disturbing events lead her to believe that the dormant supervolcano is on the brink of erupting. With the clocking ticking down and the aid of a damaged deputy park ranger, they will have to do more than convince the park superintendent of the imminent disaster. Thousands of blissfully unaware tourists have flocked to the serene park, trouble makers are on the loose, and not everyone wants to listen.

Following the death of his son, Alex Riley moves to a small town with his family to take a position from a recently deceased police officer. However, their peaceful existence is shattered when a sudden catastrophic storm sweeps the nation and they find themselves trapped in the town's 14-story building with local gang boss Cayden Jones. When Alex learns the truth behind the death and the reason Cayden is there, Alex, an aging chief, and a small band of survivors must ride out the storm and fight back to stay alive.

In the wake of a summer storm, a strange malady takes hold, slowing mental and physical response. For many exposed, it proves fatal. As scientists race to find a cure for the unexplainable, it spreads.

With frequent reports of a cataclysmic event on the horizon, city slicker Tyler Moore takes the advice of his sister and purchases a fully loaded 72-hour go-bag from a survival store in the heart of New York. Emptying the kit later that night, he finds a card in the front zipper from the manufacturer with instructions to go to a website to claim a free survival gift. After spinning a wheel of fortune, it lands on The Bunker where he’s offered a once-in-a-lifetime opportunity to tour and win a fully loaded three-million-dollar apartment in an underground bunker for the super-rich. 

Consumed by guilt over the accidental death of his daughter’s husband and child, a disabled veteran, John Sheridan leaves Florida and returns to his small town in the Black Hills of South Dakota to finalize the sale of a remote mountain cabin once shared with his wife. With his vision failing, he now believes this will be the last time he will see it and get to enjoy the biggest motorcycle rally in the world. But when a dirty-looking local teenage girl seeking safety breaks in and the power goes out, he learns a disturbing story and must decide whose survival matters more.

After a highly decorated police officer is found brutally murdered in the ski resort town of High Peaks, the State Bureau of Criminal Investigation steps in. Upon hearing the news, homicide investigator Noah Sutherland returns to his hometown in the Adirondacks, believing his brother's death to be more than just a cold, methodical ambush.

While on a trip into the backcountry, Henry Shaw, a veteran bush pilot is forced to depend on his estranged daughter to survive an unforgiving wilderness. Stranded miles from civilization, injured, and with winter bearing down, hope is bleak. After a terrifying turn of events reveal the plane crash may not have been an accident, tempers flare, secrets unravel, and a trauma from the past resurfaces. Facing overwhelming odds and nonstop danger, it’s now up to Kara to decide whether to remain or embark on a perilous trek across a harsh landscape to make it out alive.

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.

Almost three years after a deadly biological event killed millions, Alice carves out a life with an isolated community of survivors on a fortified island in New York. But just as quickly as the Haze spread, so has news of her rare blood type placing a target on her back.

After solving the murder of his brother, Noah Sutherland takes on a new position near High Peaks, a ski resort town located in the Adirondack Mountains of Upstate New York. The idyllic setting is disturbed when a tourist pulls a bloated body from the lake, drawing attention to Katherine Evans, a missing residential counselor who disappeared a week prior.

Something bad is happening.... One touch and a person begins aging rapidly. Years in a single day. Before anyone can react or stop it, entire cities are crippled. As survivors flee to their homes, Elizabeth and her children watch with an increasing sense of dread as the death toll climbs. Then, when a terrifying way to slow the aging is witnessed online, the enormity of the event becomes clear.

After escaping near-death, Kelly Danvers, a famed writer with a dark past retreats to a remote, off-the-grid fire lookout in northern Idaho to finish her novel. But when a freak and hostile snowstorm blows in and a lost forest ranger turns up, shivering, and claiming an EMP has destroyed the power grid, trouble soon follows. As Kelly tries to make sense of the danger and make contact with the outside, she quickly finds herself at odds with the stranger, and fighting for survival.

Several years ago, an ARkStorm, a once-in-a-thousand-years flood event caused by a series of intense atmospheric rivers, flooded the Central Valley of California from Sacramento to what was once Los Angeles. The weight of the water was equivalent to the volume generated by the Mississippi River times 22. It challenged an already fragile seismic system consisting of hundreds of active faults.

With little warning, a solar super flare erupts from the sun. A billion tons of superheated plasma hurtles through space toward Earth. As multiple solar storms strike Earth, transformers explode, the power grid fails, and communication networks collapse. Half the world goes dark, thrusting the planet into utter chaos. With society crumbling around them, the survivors must fight not only for their lives, but for everything they hold dear - hope amid devastation, justice in the face of depravity, and ultimately, the perseverance of the human spirit against all odds.