Yori Bertin

Based on Diderot's novel, this is the story, set in 18th-century France, of a young woman whose parents force her against her will into a convent. Once there, she finds it impossible to accept that her fate is to live away from the world forever.

Florence Carala and her lover Julien Tavernier, an ex - paratrooper want to murder her husband by faking a suicide. But after Julien has killed him and he puts his things in his car, he finds he has forgotten the rope outside the window and he returns to the building to remove it... (imdb)