Josh, a high school student who is fascinated by serial killers, hosts a Halloween party for his crush Emily in an abandoned home. He is aware that the serial killer Carl Harper murdered a family of 5 there in 1970 and brings a Ouji board, Tarot cards, and has his friends dress like the original murder victims in order to agitate any ghosts. This occurs to a horrifying degree and a regretful Josh watches his friends fall victim to a dead serial killer's rage.