A key reason to search for is to read the user reviews. They are not uniform; they are a war zone of contrasting perspectives.
There. In the smallest font, under "Thanks," a single name: Alicia R. Santamaría . Madrid 1987 Imdb
Set on a scorching summer day in 1987 Madrid, the story begins with Miguel meeting Ángela for an interview at a café. Miguel lures her back to a friend’s studio apartment with clear sexual intentions. While there, the two become accidentally locked in a small bathroom while both are naked. A key reason to search for is to read the user reviews
The technical information listed on reveals why the film works despite its claustrophobic setting. Madrid 1987 Imdb