Four student filmmakers set out to explore an abandoned building famous for its connection with the occult, but as their journey becomes littered with strange behavior and unexplained phenomena, it becomes clear the horror they are attempting to document may already be lurking among them.

When a group of close-knit friends assemble for the marriage of Skylar and Dan, they have no idea they will witness The Rapture and face a series of catastrophic events turning the celebration into a life-or-death struggle.