In Louis Malle's lauded drama, Lucien Lacombe is a young man living in rural France during World War II who seeks to join the French Resistance. When he is rejected due to his youth, the resentful Lucien allies himself with the Nazis and joins the Gallic arm of their Gestapo. Lucien grows to enjoy the power that comes with his position, but his life is complicated when he falls for France Horn, a beautiful young Jewish woman.

A mental hospital somewhere in Tuscany during the thirties. Far away from fascism, this closed world is rules over by Dr. Bonaccorsi, a passionate benevolent psychiatrist whose dream is to isolate the germ of madness. He is also a very active ladies'man and makes three women benefit from his sexual itch: Francesca the hospital manager's wife, Bianca, his devoted nurse and Carla, a nymphomaniac doctor's wife. His well-ordered universe starts being challenged with the coming of Anna, a trainee psychiatrist, who disapproves of his theory on the origin of madness. Worse, she resists his advances. As Bonaccorsi is more insecure than he looks, what will become of him?

Guests gather for the porcelain anniversary of a couple. When another woman's husband leaves her in front of everyone's eyes, the anniversary-celebrating husband gallantly makes loves to her in front of the same people. Then a sexual and confessional free-for-all erupts, until one of the wives, repulsed, runs away.

A young peasant named Pierre makes friends with John and his sister Sonia, young bourgeoisie, who invite him to their home. Pierre soon falls in love with Emily, John's mistress. After the death of the father of his hosts, he has the idea of ​​transforming their peaceful house into a brothel.