The year is 2012 and apocalyptic conditions prevail on Earth. Energy resources are exhausted and large parts of the world's population have already starved to death. Anarchy and violence dominate life. A group of survivors have barricaded themselves in an abandoned hospital in Philadelphia. The "Rovers", bloodthirsty cannibals, have followed them into their hiding place and are threatening to kill them in a bestial manner. Their paths soon cross. Will the hunted manage to escape?