Over the course of a few months, along with the rest of the world, America collapses piece by piece turning the nation into a grim wasteland where the chances for survival are slim. Watch your six with counterterrorism agents as they try to keep a doctor and each other alive. Join a team of CDC doctors as they race to find a cure and the virus picks them off one by one. Scramble with a retired Air Force colonel thrust into the command of a Special Forces team trying to prop up a dying government.

Cassie Forrest isn't surprised to learn that the day she’s decided to get her life together is also the day the world ends. After all, she’s been on a self-imposed losing streak since her survivalist parents died: she’s stopped painting, broken off her engagement to Adrian and dated a real jerk. Rectifying her mistakes has to wait, however, because Cassie and her friends have just enough time to escape Brooklyn for her parents’ cabin before Bornavirus LX turns them into zombies, too.

Rose Winter has enough problems. With a marriage going down the tubes and a dreaded anniversary party on the horizon, the last thing she needs is the zombie apocalypse. She wanted to get drunk and sing karaoke, not murder her undead neighbors. It’s clear the party’s over, however, now Rose has more problems - a missing husband, an overbearing houseguest, and keeping her family alive.

Those who would seek a new world order have unleashed the most devastating virus onto mankind, and even they do not know the secrets hidden in their weapon. Follow along as Harry, a CDC scientist, races to figure out what exactly the virus is and how to stop it. It will be up to him and a group of marines led by Major Sanders to stop the zombie fallout before it ravages an unsuspecting world.

More than two centuries after World War III poisoned the planet, the final bastion of humanity lives on massive airships circling the globe in search of a habitable area to call home. Aging and outdated, most of the ships plummeted back to Earth long ago. The only thing keeping the two surviving lifeboats in the sky are Hell Divers - men and women who risk their lives by skydiving to the surface to scavenge for parts the ships desperately need.