The film follows three young men and their time spent in the French suburban "ghetto," over a span of twenty-four hours. Vinz, a Jew, Saïd, an Arab, and Hubert, a black boxer, have grown up in these French suburbs where high levels of diversity coupled with the racist and oppressive police force have raised tensions to a critical breaking point. During the riots that took place a night before, a police officer lost his handgun in the ensuing madness, only to leave it for Vinz to find. Now, with a newfound means to gain the respect he deserves, Vinz vows to kill a cop if his friend Abdel dies in the hospital, due the beating he received while in police custody.

In Biarritz with her elderly provider to celebrate her birthday, Irene slips down to the hotel bar when he falls asleep on her. She mistakes barman Jean for a well-healed guest and he encourages the deceit by taking her up to the Royal Suite for the night. A year later the same thing happens but this time her lover finds out and disowns her. Now knowing Jean is indeed a barman of little means doesn't stop her from continuing to live in style until his money is gone. He soon finds himself in Irene's business with older and worldly-wise Madeleine, and though Irene also takes up with a new paramour the two of them keep in increasingly close touch.

Every year, Max, a successful restaurant owner, and Véro, his eco-friendly wife invite a merry group of friends to their beautiful beach house to celebrate Antoine's birthday and kick-start the vacation. But, this year, before they all leave Paris, their buddy Ludo is hurt in a serious accident, which sets off a dramatic chain of reactions and emotional responses. The eagerly anticipated vacation leads each of the protagonists to raise the little veils that for years they have draped over what bothers and upsets them. Pretenses become increasingly hard to keep up. Until the moment when the truth finally catches up with them all...

In a Parisian laboratory, a severed hand escapes its unhappy fate and sets out to reconnect with its body. During a hair-raising escapade across the city, the extremity fends off pigeons and rats alike to reunite with pizza boy Naoufel. Its memories of Naoufel and his love for librarian Gabrielle may provide answers about what caused the hand's separation, and a poetic backdrop for a possible reunion between the three. Based on Guillaume Laurant's novel "Happy Hand."

To amuse themselves at a weekly dinner, a few well-heeled folk each bring a dimwit along who is to talk about his pastime. Each member seeks to introduce a champion dumbbell. Pierre, an avid participant of the game, runs into one problem after another that devilishly compromises his secrets, turning the tables on him and his objective, which diverges as the movie progresses. Firstly, wishing to be certain he has selected a winner, he invited his guest, Mr. Pignon, to meet him at home before setting off; but night of all nights, Pierre has put his back out and it is questionable whether he can manage to get to the dinner. The blundering Mr. Pignon will continually spring forward to help relieve Pierre of his troubles, which have drastically compounded, pointing in the direction of friends, taxes and women, and Pierre's dimwit Pignon accordingly will prove his substance to the end.

Severine is a beautiful young woman married to a doctor. She loves her husband dearly, but cannot bring herself to be physically intimate with him. She indulges instead in vivid, kinky, erotic fantasies to entertain her sexual desires. Eventually she becomes a prostitute, working in a brothel in the afternoons while remaining chaste in her marriage.

Véronique is a beautiful young French woman who aspires to be a renowned singer. Weronika lives in Poland, has a similar career goal, and looks identical to Véronique, though the two are not related. Both women contend with the ups and downs of their individual lives, with Véronique embarking on an unusual romance with a puppeteer who may be able to help her with her existential issues. Véronique and Weronika are unaware of each other's existence, yet they sense a spectral companion and an inexplicable, profound bond.

Coming back to accomplish the divorce procedure, Ahmad an Iranian man, arrives in Paris after four years to meet his ex-wife and her daughters from her previous marriage. He notices his ex is in a relationship with an Arab named Samir who also has a son and a wife in a coma. The relationship of the older daughter and her mother is in deterioration because the daughter thinks her mother is the cause of Samir's wife comatose state. The affairs get more complicated when the older daughter discloses something heinous she has done.

Pediatrician Dr. Alexandre Beck (François Cluzet) misses his beloved wife Margot Beck (Marie-Josée Croze), who was brutally murdered eight years ago when he was the prime suspect. When two bodies are found near where the corpse of Margot was dumped, the Police re-open the case and Alex becomes suspect again. The mystery increases when Alex receives an e-mail showing Margot older and alive.

Julien Janvier lost his mother young, drifted apart from his working class father and ever closer to confident Sophie Kowalsky, the Polish class outsider. Their dares game, symbolized by an interchanged music-box, grows ever bolder, regardless of harm to others and each-other. In his college years, it even suspends their relationship and toys with their marriages, but they are drawn back to each-other irresistibly.

Paris, je t'aime is about the plurality of cinema in one mythic location: Paris, the City of Love. Twenty filmmakers have five minutes each; the audience must weave a single narrative out of twenty moments. The 20 moments are fused by transitional interstitial sequences and also via the introduction and epilogue. Each transition begins with the last shot of the previous film and ends with the first shot of the following film, extending the enchantment and the emotion of the previous segment, preparing the audience for a surprise, and providing a cohesive atmosphere. There's a reappearing mysterious character who is a witness to the Parisian life. A common theme of Paris and love fuses all.

Five desperate French soldiers during The Battle of the Somme shoot themselves, either by accident or with purpose, in order to be invalided back home. Having been "caught" a court-martial convenes and determines punishment to be banishment to No Man's Land with the objective of having the Germans finish them off. In the process of telling this tale each man's life is briefly explored along with their next of kin as Methilde, fiancée to one of the men, tries to determine the circumstances of her lover's death. This task is not made any easier for her due to a bout with polio as a child. Along the way she discovers the heights and depths of the human soul.

Algeria, the 1930s. Younes is nine years old when he is put in his uncle's care in Oran. Rebaptized Jonas, he grows up among the Rio Salado youths, with whom he becomes friends. Emilie is one of the gang; everyone is in love with her. A great love story develops between Jonas and Emilie, which is soon unsettled by the conflicts troubling the country.

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