Regina "Reggie" Lampert (Audrey Hepburn), on a skiing holiday in Megève, tells her friend Sylvie Gaudel (Dominique Minot) that she has decided to divorce her husband Charles. She then meets a charming stranger, Peter Joshua (Cary Grant). When she returns to Paris, her apartment is completely empty, and police inspector Edouard Grandpierre (Jacques Marin) notifies her that Charles has been murdered while leaving Paris. Reggie is given her husband's travel bag, containing a letter addressed to her, a ticket to Venezuela, passports in multiple names, and other items. At the funeral, three odd characters show up to view the body. One sticks the corpse with a pin and another places a mirror in front of the body's mouth and nose, both to verify that Charles is really dead.
The Arbac Family Neuville is a family of penniless aristocrats, that to survive and continue living their castle into disrepair, need to conduct some tricks like selling fake antiques to tourists. One day arises a bailiff commissioned by the Treasury for the recovery of a sum of nearly two million euro in respect of tax. In the event of default, all the family property will be seized. Follows a race against time to find the money. Everything is tried: a visit to the distant cousins still rich, a job search at the employment center in the Pauline boards, letter carrier and family friend, nothing works. Finally, Charles-Antoine, the eldest, who will have to go to a rally to go fishing to young unmarried aristocrat, namely Marie-Astrid Saumur-Chantilly Fortemure, wealthy heiress but particularly repulsive and stupid. Marriage is about to be organized, but Anthony Charles becomes infatuated with Pauline, opposing the interests of the family, the reasons of which reason knows nothing heart .
Jeanne Fabre, an attractive late-teen-aged carefree loner, spends her time rollerblading through Paris and job-hunting, a nuisance she endures to indulge her widowed mother, Louise, who runs a day-care center out of their house. As they are watching a news program on television about anti-semitic attacks, Louise recognizes a person on the TV: Samuel Bleistein, a prestigious Jewish lawyer, who was many years ago in love with her. Louise arranges a job interview for her daughter at Bleistein’s law firm.
Having stolen some compromising documents from a powerful and successful entrepreneur/gangster at a party, a man known as Fred (Lambert) escapes from the police and takes refuge in the underground world of the Paris Métro stations and tunnels. There he joins the dwellers and befriends several colourful characters, including others who are living under the subway to avoid police arrest. While the gangster's henchmen try to find Fred, he develops a romance with the gangster's young trophy wife Héléna (Adjani). She had originally invited Fred to the party featured at the opening of the film, and is bored with her gilded-caged life.
Hitman Jef Costello (Delon) lives in a single-room Parisian apartment whose spartan furnishings include a little bird in a cage. A long opening shot shows him lying on his bed, smoking, when the following text appears on-screen:
In the winter of 1945, immediately after the liberation, Jean Diego (Montand), a member of the French underground during World War II, meets Raymond, one of his comrades in arms who was believed to have succumbed in battle. On the night of that meeting, Jean encounters a homeless man named "Destiny", whose predictions about him finding the woman of his life will not be too far from reality. Jean soon starts a liaison with Malou (Nathalie Nattier), a young woman who is married to a rich man. The next hours of his and Malou's lives are underscored by extreme, dramatic events; however, as the clochard (homeless person) predicted, they find their way out of the struggle and are able to move on, leaving behind wartime and its dangers.
A man (Davos Hanich) is a prisoner in the aftermath of World War III in post-apocalyptic Paris where survivors live underground in the Palais de Chaillot galleries. Scientists research time travel, hoping to send test subjects to different time periods "to call past and future to the rescue of the present". They have difficulty finding subjects who can mentally withstand the shock of time travel. The scientists eventually settle upon the prisoner; his key to the past is a vague but obsessive memory from his pre-war childhood of a woman (Hélène Chatelain) he had seen on the observation platform ("the jetty") at Orly Airport shortly before witnessing a startling incident there. He had not understood exactly what happened but knew he had seen a man die.
Louis Bourdin, un humble poinçonneur de métro à la RATP, vantard mais peureux, travaille à la station Quai de la Rapée. Il est tellement fanatique de romans policiers qu'il en écrit un lui-même. Il prend le pseudonyme de Lenormand, et intitule son roman « Rapt à la RATP » : l'histoire imaginaire du hold-up de la rame des finances, qui collecte quotidiennement la recette des stations à la fin de service, vol qu'il décrit avec un luxe de détails. Il le propose à plusieurs éditeurs. Ceux-ci le dédaignant, il en fera bénéficier, bien imprudemment, une toute autre profession ... reconnaissante, mais dangereuse !
The film stars Jean-Pierre Léaud as Paul, a romantic young idealist and literary lion-wannabe who chases budding pop star, Madeleine (Chantal Goya, a real life Yé-yé girl). Despite markedly different musical tastes and political leanings, the two soon become romantically involved and begin a ménage à quatre with Madeleine's two roommates, Catherine (Catherine-Isabelle Duport) and Elisabeth (Marlène Jobert). The camera probes the young actors in a series of vérité-style interviews about love, love-making, and politics.
Jean-Paul Rondin (Michel Serrault) est libraire à Paris, près du Panthéon. Il est mécontent car sa boutique est située près d'un chantier de rénovation de la ville ordonné par le ministre des Travaux publics (Charles Denner).
Policeman Jean Letellier is under pressure because the infamous gangster Marcucci escaped him publicly. Moreover during the pursuit an innocent bystander was killed by a stray bullet. Letellier is investigated for having fired the deadly bullet.
French secret agent Josselin Beaumont is sent to kill Colonel Njala, the dictator of Malagawi, a fictional African country. However, before he manages to accomplish his mission, the political situation changes drastically and the French secret service resorts to handing over Beaumont to the Malagawian authorities. After a long, unfair trial, during which Beaumont is injected with drugs, he is sentenced to long-term penal servitude at a "re-education camp".
Tom Ripley (Dennis Hopper) is a wealthy American living in Hamburg, Germany. He is involved in an artwork forgery scheme, in which he appears at auctions to bid on forged paintings produced by an accomplice, artificially driving up the price. At one of these auctions, he is introduced to Jonathan Zimmermann (Bruno Ganz), a picture framer who is dying of a rare and unspecified blood disease. Zimmerman refuses to shake Ripley's hand when introduced, coldly saying, "I've heard of you" before walking away.
Provincial 10-year-old Zazie stays in Paris with her Uncle Gabriel (a female impersonator) for two days, while her mother spends some time with her lover. Zazie manages to evade her uncle's custody, however, and, métro strike notwithstanding, sets out to explore the city on her own.