When their safe haven is attacked by looters using the dead as shields, they have no choice but to evacuate and seek another safe place to try to live. They travel for miles until they find an abandoned old west fort they can take over. But the looters are following them. And the dead continue to come. They survive a tornado only to be assaulted by the looters again. Once again, they are forced to abandon their home in search of somewhere else to try to live.