An infectious disease causing the dead to rise again has wiped out most of humanity. On a small outback farm in Australia, a young girl must protect her sister from more than just the dead.

Penny, a troubled runaway, is picked up hitchhiking by a group of friends on a camping trip. But after trekking deep into the forest, Penny soon realises this group is not seeking the ideal camping spot after all, but something much more sinister. Now it's an epic fight for survival, as Penny pulls out all punches to be the last one standing.