When a killer comet hurtles toward Earth, 18-year-old Joanna Murphy is selected to wait out the apocalypse in an underground bunker. She enters cryosleep with her close-knit team, preparing to resettle the planet after the atmosphere clears in 200 years. Joanna is the only one who wakes up. Faced with a bunker full of bones and a blocked exit, Joanna must claw her way to the surface, figure out what happened to her team, and try not to panic - or die. That’s going to be tricky if she’s the only person left in the world.

Jane is a leftover clone. Created for an unknown purpose, then abandoned at a rundown facility outside Grid City, she has a knack for trouble and a burning desire to find out why she was made.

Briar can curse with the flick of a paintbrush. Her paintings maim, bewitch, and - most effectively of all - destroy. But Briar doesn't want to hurt people anymore. She has fled her family's deadly curse business to start a new life peddling nonlethal jinxes and petty revenge. Briar's destructive powers catch the eye of a charismatic young outlaw called Archer, who hires her to help him save a kidnapped friend from a ruthless baron. Briar thinks this is her chance to make amends for her crimes, but the family business won't let her go so easily.

Moments before the world ends, two strangers pass each other on the San Diego boardwalk. Simon is taking a walk with his young daughter, Esther. Judith is jogging to relax before her first big job interview. When a cloud of ash descends without warning, swallowing the city behind them, Simon and Judith escape onto a nearby cruise ship and head for open water. The Yellowstone super eruption has begun, and the luxury vessel is their only hope of survival.

In the dead of winter, an EMP attack destroys the U.S. power grid. No electricity. No cars or phones. The country is plunged into instant chaos. But for Hannah Sheridan, it's the best day of her life. For the last five years, she's been the captive of a sadistic psychopath—until the EMP releases the lock of her prison.