Under the Sun of Satan
Sous le soleil de Satan (original)
A seminarist, haunted by Evil and the failure of his divine mission, mortifies his body and is unable to establish any rapport with his parishioners, until the day he meets young Mouchette.
Starring Gérard Depardieu, Sandrine Bonnaire, Maurice Pialat, Brigitte Legendre, Alain Artur, Yann Dedet, Jean-Claude Bourlat, Jean-Christophe Bouvet, Philippe Pallut, Marcel Anselin
It's a drama and fantasy movie, and has a rating of 6.7 out of 10 from Imdb which is usually fine for this kind of movie.
Watch it here
Not found streaming from Argentina.