A whole bunch of crazy things happen one night at a house party, much of it centering around a car where people go to smoke weed.
A woman who watched the Genesis Brady videos from the first I'm Haunted movie attempts to summon the same entity herself to determine whether or not it was a hoax.
Mildred Moyer is at it again, unleashing her unique brand of vengeance on a corrupt religious organization that took advantage of her and others.
A woman finds an old VHS tape in her deceased parents' basement that contains a series of short horror films recorded from a bizarre late-night cable TV show.
A young woman who found the phone Bailey Dawson used to record her videos in I'm Haunted 2 begins an investigation into the entity known as Cyr and the strange events occurring around it.
A group of people go on a "serial killer" tour, visiting the sites where legendary deceased murderer Zacharias Cook slaughtered his victims, only to find the killer isn't dead and now has his sights set on them.
In an effort to escape his past and sober up, a man hides away at a remote property, unknowingly checking into the Glass family's haunted house from I'm Haunted 3.
The cast and crew of the I'm Haunted movie series discover that the evil entity Cyr from their films is no longer just a character - it has crossed into reality to haunt them for real.