Recovering from the trauma of being kidnapped last Halloween by the Blue Skeleton - a group who take "extreme haunt" to another level - five friends decide they must face their fears in order to move on. Heading back out on the road to visit more haunted house attractions, signs of the Blue Skeleton start appearing again and a new terror begins.

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…