Paco, a middle-class young man, tells his lover the shady story of his cousin Montse, a social worker.
- Release Date: August 18, 1977
- Runtime: 89 minutes
- Production countries: Spain
- Original Title: La oscura historia de la prima Montse
- Original Language: español (Spanish)
Genres: Drama
Actors: Mirta Miller, Xabier Elorriaga, Christa Leem, Ana Belén, Ovidi Montllor