Ten years have passed since the outbreak, food has been decayed already. Survivors had to find another way to feed themselves, eventually they did. Desperately, they started eating zombies they killed. As time goes by, they are used to it. Now, the new world is described as the world of mutual cannibalism.
In this ruthless world, Mike has managed to survive by travelling and scavenging continuously. However, Mike has run into less and less people over the years. Mike worries about decreasing number of survivors and he feels he has to do something about it.