Quartet
Deux (original)
Post-WWI, a handsome veteran reunites with his beautiful wife, but her alluring sister pulls him into a seductive web of deceit and infidelity.
Starring Lola Créton, Christa Théret, Bastien Bouillon, Stéphane Varupenne, Isabelle Renault, Olivier Chantreau, Rebecca Marder, Hervé Pierre
Watch "Quartet" from streaming services Tubi TV, Kanopy released in 2015. It's a drama and romance movie, and has a rating of 5.5 out of 10 from Imdb which is fairly okay for this kind of movie.