Four racists plan to assault a local Arab man, but soon things get out of control.

Just as the disheveled and alcoholic filmmaker Ismaël embarks on a difficult new film project, his life is sent into a tailspin. His wife Carlotta, presumed dead for 20 years, come crashing back into his life creating chaos in his work and his current romantic relationship with the starry-eyed astronomer Sylvia.

In this French comedy, the young adult children of working-class Arab immigrants living in the projects of suburban Paris endeavor to find a suitable cultural identity. The story centers on four young men in their 20s: Farida, who tries to live according to family traditions; his rebellious sister Souad, who wants to be as Westernized as possible and works at a fast-food outlet; her ex-boyfriend, Jean Luc, who wants to be an immigrant lawyer; and his friend Moussa. The film is comprised of brief incidents from their lives.

Two neighbors, Louis and Coralie, have been at war with each other for years because of their different origins, French and Reunionese. Their mutual hatred is not the only thing they have in common: they also adore their respective children, who secretly love each other.

Jacques Belin, presenter of a silly TV show, gets drunk after receiving an award and misses the train bringing his TV-soap-star fiancée. He meets up with Frède, just out of prison after a three year sentence and, in between numerous arguments and Jacques' break-up with his girlfriend, the two of them get drunker together, going across Paris in search of more alcohol and adventure.

Simon, a Jewish police inspector, arrests Karim, a Muslim, in the bust of a drug smuggling cargo ship, only to realize that Karim is an undercover agent from the military intelligence, whose mission he was not aware of. The two men pursue the narc investigation, which will lead them to confront middle eastern terrorists together.

Ahmed, an Algerian laborer and young father, leaves his country and arrives in France, hoping to find a job through Salah, a friend who has been living in the Paris suburbs for several years. He is disappointed when he arrives in Nanterre, where Salah lives in a shantytown. Without any support, Ahmed has to make the daily rounds of the employment offices, like so many other immigrants who, like him, have been lulled into complacency.

Patrick Morel has his limits tested when he's thrown in jail after a misunderstanding with the lovely Sonia and the brash Youssef, all three of them bound for deportation until a last-ditch escape frees them in more ways than one.

1962: events in Algeria. Captain Sainbenin has just taken over the leadership of a newly created fighter commando. His relationship with the hierarchy is strained. To this war of a new type, Sainbenin intends to apply methods of a new kind. Everything is good to find the "rebels": new intelligence system, new interrogation system. When in Algiers a putsch is organized against De Gaulle by 4 of his generals, Sainbenin's men are divided: should they remain faithful to De Gaulle, or take the side of French Algeria against all odds? tragic fate of a handful of uprooted people fighting for a patriotic ideal and sacrificed in the name of this ideal.