The Lone Warrior

In a world of death, a virus cause people to turn into zombies ravaged the world. You a lone wonder finds a group years after the apocalypse started and they are kind of soft been hid behind walls the whole time safe from everything outside of them until they where kicked out by a group of bad people. Choose to help or hinder then. The zombies and slow and terrible at sneaking its the people who are the real danger.