Colette Renard

Two young robbers meet an old man. The three start traveling together, looking for the same thing. (imdb)

Jacques Decrey, an industrialist, finds out that his wife Gloria has a lover. Posing as a man named Berthier, he blackmails her. After a while, Decrey decides to make Yves Normand, a young unemployed actor and Gloria's lover, out to be the blackmailer. But doing so he has set off an infernal machine... (imdb)

One winter in the Ninetenth century. A mysterious crime has been committed in an isolated village of the Aubrac region. A retired prosecutor who lives there asks Langlois, a police captain, to investigate the case. The police officer accepts, settles down in the village and, by dint of obstinacy, winds up finding out who committed the murder. But, while tracking down the slayer, Langlois also discovers something very unpleasant about himself, he too loves killing. (imdb)