Dirty Like an Angel
Sale comme un ange (original)
Georges Deblache, a despondent middle-aged cop, falls for his partner's wife.
Starring Claude Brasseur, Lio, Roland Amstutz, Claude-Jean Philippe, Léa Gabriele, Anny Chasson, Sékautine, Lorella Di Cicco, Alain Schlumberger, Rénos Mandis
Watch "Dirty Like an Angel" on Fandor released in 1991. It's a drama and romance movie, and has a rating of 5.7 out of 10 from Imdb which is fairly okay for this kind of movie.