Mildred Moyer transforms from shy misfit to loveable psychopath when her back-alley plastic surgery is botched. Mildred finds herself living her best life as she unleashes brutal vengeance on all those who tormented her in the past.
A psychiatric hospital is turned upside down when a mysterious drifter is admitted and assigned to room 316. Known only as John Doe, the other patients believe that he bears an uncanny resemblance to Jesus Christ.
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.