The story revolves around three soldiers — Colee, T.K. and Cheaver — who return from the Iraq War after suffering injuries and learn that life has moved on without them. They end up on an unexpected road trip across the U.S.
Seven strangers find themselves trapped inside an abandoned hospital after an unexplainable apocalyptic event. In addition to being haunted by what they've lost, the strangers must also fight off mysterious creatures that hunt them down one by one.