It is the swinging 60s in Londons Carnaby Street and a group of bored teenagers including Chris (Frankie Avalon), Sheila (Jill Haworth), Gary (Mark Wynter) and Peter (Richard O'Sullivan) leave a party to drive to a deserted old mansion in the middle of nowhere. Legend has it that the house is still haunted by the killer who went mad twenty years ago and killed his family in a frenzied knife attack. After daring and taunting each other with the local legend, the teenagers' laughter and high jinx turns to fear when one of them is sliced open by an unknown killer. Rather than go to the police the teenagers decide to hide the body and try and catch the murderer themselves... Behind its Forbidden Doors an Evil Secret Hides! Extras: Extensive and revealing booklet notes by Michael Armstrong and the first ever release of his original film script for 'The Dark' which became 'The Haunted House of Horror'
United Kingdom released, PAL/Region 0 DVD: LANGUAGES: English ( Dolby Digital 2.0 ), ANAMORPHIC WIDESCREEN (1.66:1), SPECIAL FEATURES: Anamorphic Widescreen, Booklet, Commentary, Interactive Menu, Photo Gallery, Scene Access, Trailer(s), SYNOPSIS: A group of sixties teenagers bored with the party they're at drive out to a deserted old mansion, but their laughter turns to fear when one of them is killed in a frenzied knife attack. Another of them persuades the rest that they should solve the murder themselves rather than go to the police, not surprisingly opening the way to further carnage. ...The Haunted House of Horror ( Horror House ) ( The Dark )