It's a grim world of prostitution, drug dens, transvestites, junkies and murderers. The seediest side of urban life is examined in this tragedy. The film follows the complex, interwoven lives of four characters as they live their harsh and gritty nocturnal lives on the city streets. The main characters are Fifi a pickpocket who is simultaneously involved with Divine, a transvestite hooker and Vera a peep show dancer who refuses to be a hooker. Vera lives with her would-be pimp Jesus le Gitan, a small-scale drug dealer. When the area riff-raff become embroiled in hostilities, two of main characters are slowly killed in horrible ways. Fifi is then left to avenge their deaths.

After his father is killed, Djilali is sold by his family to a Lebanese terrorist group. After completing a grueling training process alongside five other boys, Djilali is chosen for a special assignment and sent to Paris to live with carefree Arab boy Karim, who is scheduled to meet the French president at a Christmas party. Djilali's mission is to impersonate Karim and kill the president, but his growing friendship with the happy youth gives him pause.

Gilles de Maistre's political thriller Féroce (Ferocious) is about a man seeking revenge. Arab Alain (Samy Naceri) decides to join a fascistic French political party in order to assassinate the leader, Legle (Jean-Marc Thibault). Alain comes to this decision when his girlfriend's brother is murdered after he had defaced some of the party's paraphernalia. To improve the party's public stance on immigrants, Alain is hired as a security guard. Legle's daughter is attracted to Alain, who is tempted enough by the girl to abandon some of his religious convictions.

Samuel goes to Nice to pass the exam of the School of Fine Arts. He is accompanied by Nordine, uncultivated in art who takes some holidays.

To be closer to his children following his divorce, Laurent Monier, a history and geography teacher in a peaceful provincial high school, accepts a position in a sensitive college in the Paris suburbs. He is assigned the hardest class, the fourth techno, and he finds an apartment in the Cité des Muriers, a particularly difficult district.

Yakine, bright student with algerian origins, wears the hijab. Her family and her school want to understand but she refuses to talk about it.