Five college students wake up in an abandoned, locked-down insane asylum - with no idea how they got there and no means of escape. They discover that they are the subjects of secret experiments, but these tests have awakened something that cannot be explained by science. The group must now fight to escape both the human and supernatural threats if they are to survive and break out of their prison.
Em um mundo pós-apocalíptico depois de uma invasão alien, dois caçadores de recompensa tem que resgatar uma garota que pode ser a salvação da humanidade, das garras de um General cruel.