The Mafu Cage
A terrifying love story.
3/19/1978
Imdb: tt0077888
Tmdb: 56132
Popularity: 4.37
Vote: 6.3/10 (22)

Two strange sisters live in a crumbling mansion, where they keep a pet ape, which belonged to their late father, locked in a cage. While one of the sisters seems to be keeping her head on straight, as it were, the other appears to be sinking further and further into barbarism and insanity.