In this chilling 1973 horror film directed by John Hough, a team of investigators is tasked with unraveling the mysteries of a notoriously haunted mansion. The group, consisting of a physicist, his wife, a mental medium, and a physical medium, confronts the malevolent forces within the house, each grappling with their own fears and skepticism. The film stars Roddy McDowall, Pamela Franklin, and Clive Revill, who deliver compelling performances as they navigate the eerie and oppressive atmosphere. Known for its intense psychological tension and atmospheric setting, this film remains a classic in the haunted house genre. For those interested, it can be viewed for free on 123Movies / Movies123.