Diego Conner was at school when his world changed. As soon as his classmates started killing each other, he ran. Then, when he got home, his parents tried to eat him. They weren’t zombies though. They were alive and could be killed like any other living thing. He chose to simply call them “the changed”. The only people he knew who didn’t turn were his friends, Sheena and Wes. With their families gone, the fifteen year olds are forced to look out for each another, constantly moving and hiding in the shadows. Eventually, though, they decided to search for survivors and colonize a local prison. Along the way, they quickly learn that the brainless, flesh-eating monsters that roam the streets are the least of their worries after the change.