Lifelong best friends Max and Jesse are six stories high working a construction job, when the gates of Hell explode in downtown Cleveland. They bear witness to the furious beginning of the Zombie Apocalypse. Trapped in the middle of the city, the pair must fight their way back to the only thing that matters…their families.

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.

On a hot July day on the plains of Kansas, a US Army mechanized infantry company from the First Infantry Division gets a very vague warning order, and the young troopers saddle up on their steel beasts to go try to control "civil unrest".

When the flu season struck America, it impaired the population, crippling what the collected power of the people were capable of doing to fight the outbreak. Unfortunately, it was not the same for everyone. There were three types of people. The first had no diseases, the second had the flu, and the third were busy fostering a zombie virus that was going to bring the nation to its knees.

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.

Virulent pockets of plague, first reported in China, break out worldwide and spread with mind-boggling speed. CIA black ops agent Chad Halverson flies to Los Angeles to visit his brother after receiving a call that his brother has been hospitalized after a car accident. Halverson's Boeing 737 crash-lands in an eerie Los Angeles shrouded with an impenetrable haze of smog. But that is only the tip of the iceberg of Halverson's nightmare.

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.

When a series of devastating terror attacks brought down the United States, Conor and Barb assumed they were safe in their compound. They had everything they needed. They were armed and highly trained. But then, Barb was kidnapped. The kidnappers didn’t know why Conor was known as The Mad Mick. They didn’t know the fear and respect his name invoked in the shadowy underworld of covert operations. They didn’t know that when it came to protecting his family, he was without conscience, without compassion, and without equal. But they would soon find out.

It’s an ordinary Monday. Until everything changes forever. At 2:44 PM, a mysterious crack appears in the sky. Anyone unfortunate enough to look up is immediately struck blind. What’s worse, their mind is wiped clean, replaced with a vicious urge to kill anyone within reach.

Jane Finch wishes her problems ended with a bad commute and no coffee. But when she and her beloved Great Dane, Schrodinger, emerge from a locked room they discover a city changed for the undead. Zombies are everywhere. Some are endlessly cycling through their last actions, others have turned feral—and hungry. Jane and Schroddie's best chance for survival? Reaching her parents' bunker on the city's north shore. Not an easy commute on foot—when surrounded by zombies. Dodging stray bullets and feral zombies is one thing. But soon Jane realizes one of the zombies is following her.