Nick, Amber and Rusty are three friends looking to earn some easy money by working at an attraction that comes to town. The attraction is run by a mysterious woman named Elena. The problem is that the town sheriff doesn't like outsiders and will do anything in his power to keep the town in order and hide a terrifying past.

Beneath the fake blood and cheap masks of countless haunted house attractions across the country, there are whispers of truly terrifying alternatives. Looking to find an authentic, blood-curdling good fright for Halloween, five friends set off on a road trip in an RV to track down these underground Haunts. Just when their search seems to reach a dead end, strange and disturbing things start happening and it becomes clear that the Haunt has come to them…