- HD 1080
- Runtime: 87m.
- Status: Released
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- Languages: en
- Country: United States of America
- Director: Arthur Jeffreys
- Stars: Sallee Young, Harry Reems, Deborah Alter, Kathryn Clayton, Bryan Charles
- keywords: trauma, rape victim, gang rape
- Production_studio: Intercontinental Releasing Corporation (IRC), Four Features Partners
- Slogan: Revenge is sweet... and deadly.
- providers: fuboTV, MGM Plus Roku Premium Channel, MGM Plus
- The Demented is featured in the top rankings of 1980
- #40 in Top Crime Movies of 1980
- #68 in Top Thriller Movies of 1980
- #81 in Top Horror Movies of 1980
A woman is gang-raped in a horse's stable, and even though the rapists are caught and imprisoned, she is harassed many moons later by ghastly visions of her tormentors, while her husband philanders and every little thing frightens her out of her wits.
