Adriana Bogdan

Mathias is a Belgian linguist, living with French theatre producer Anne. After a quarrel about moral questions, they take a train to attend a congress. While Mathias sleeps, Anne disappears. The train stops in the middle of the country and Mathias gets off the train with an older man, Hernhutter, and a young one, Val. The train moves off without them being able to catch it up. They will find a village, but cannot get any help because they do not understand a word of what the inhabitants say... (imdb)

This Andre Delvaux film concerns an apparently happily married archivist who finds a mysterious woman in an abandoned farmhouse one day and enters into a passionate affair with her.

In this social drama, peasants revolt against the landowners, the social elite, and police after years of deplorable conditions of poverty and injustice. A peasant woman is raped by a lecherous wealthy lesbian, and chaos breaks out in the rural areas where the poor suffer the most. (allmovie.com)