When Mike Kerns and his girlfriend Kellyn take his Autism Specific Class on a day trip to the country, things quickly transform into a day--and then months--of hell. At first Mike witnesses what appear to be strange people from the backwoods attacking a young woman. As he attempts to get involved and help, he realizes that this is no ordinary attack, and that these people are not actually people at all. They're zombies--zombies that don't stop with a bullet to the head, zombies that cannot be killed. Now Mike and his class are fighting for their lives as they come to terms with the fact that...