Behind Locked Doors
What Was the Terrifying Secret of the Cellar?
12/11/1968
Imdb: tt0074195
Tmdb: 194804
Popularity: 1.246
Vote: 1/10 (1)

Terry and Ann are two "swingers" who spend the night in a spooky old house, where they're subjected to bizarre sexual experiments by Mr Bradley and his deranged sister.