Anthropologist Joe Weber takes his son on a trip to the New England town of Salem's Lot, unaware of its vampire population. When the inhabitants reveal their secret, they seek Weber to write a bible for them.
A group of thirty-something friends from high school create their own Creepypasta about Pooka for laughs, but are shocked when it becomes so viral on the internet that it actually manifests more murdererous versions of the creature.
Madea winds up in the middle of mayhem when she spends a hilarious, haunted Halloween fending off killers, paranormal poltergeists, ghosts, ghouls, and zombies while keeping a watchful eye on a group of misbehaving teens.