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.

A massive solar storm erases the world's technological infrastructure and kills billions. While the remaining humans are struggling to adapt and survive, they notice that some among them have...changed. Rachel Wheeler finds herself alone in the city where violent survivors, known as zapheads, roam the streets, killing and destroying. Her only hope is to reach the mountains where her grandfather, a legendary survivalist, established a compound in preparation for doomsday.

Two teenagers find a frozen corpse in the middle of the woods and decide to bring it back to town. They have no idea they just sparked the zombie apocalypse. In the morgue below the hospital, the dead begin waking up and attacking the living. The infection spreads rapidly, turning the place into a slaughterhouse as those inside fight to survive against the undead.

During the coldest winter on record, an EMP attack wipes out the nation's power and cripples the country. As the city spirals into lawless chaos, an investigative journalist, twenty-six-year-old Cassandra Drews, is forced onto the dangerous streets of Portland to begin the long walk to her parents' home in Oregon. But hypothermia and starvation aren't the only dangers Cass and her rescue dog, Daisy, face on their perilous trek.

Logan Willis’s life is falling apart: he lost his job and found out that his wife is cheating on him all in the same day. Thinking that his world has ended, Logan checks into a hotel and turns on the TV to see that he's not far wrong - radio telescopes have detected mysterious signals coming from inside our solar system, and the source is moving toward us at over 500 miles per second. The media concludes that these signals must be of an alien origin. Still reeling from the news, Logan gets a phone call from his brother-in-law.