1960 French film directed by Julien Duvivier

Sister Agnès runs away from her convent in Brittany and seeks refuge in Paris with prostitute Mona Lisa. With absolutely no qualifications, the young novice has a hard job finding work, so Mona Lisa tries to teach her the ropes of the oldest profession of them all!

1953 film by Marcel Carné

In the absence of his wife, a clarinet player is induced by a friend to meet a call girl, but arrived after a crime. Perceived by some people leaving the scene of the crime covered by his raincoat, he became the only suspect for the police. His only hope is to discover the murderer before is name is mentionned publicly, specially in front of his wife.

Young, handsome, dashing but cynical, Octave Mouret arrives in Paris, determined to conquer the belles of the capital.