When a group of friends decides to take their pranks to the next level, they unknowingly unleash an ancient evil that begins terrorizing them. As the friends struggle to survive, they realize that what they thought was just a game has turned into a horrifying nightmare.

The last three Zombies on earth are trapped inside a cabin, while an angry mob of humans linger outside. The three of them don't have much time to waste as the humans grow restless.

Manager-summoning control freak Kallie Jones attempts to rescue her husband from a "wellness center" with the help of a washed-up expert Cult Buster.