Louise, who has just written a novel, comes to Paris to meet with a potential publisher. While in the city, she stays with her older sister, Martine, who in many ways is the exact opposite of Louise: she lives in a fashionable neighborhood, is cold to others, and has snobby friends, while Louise lives in a small town and is thoroughly unpretentious. Louise's apparent happiness -- and similarities to their mother -- gradually gets on Martine's nerves.

In Paris, two cops are competing for the vacant job of chief of police, in the middle of the search for a gang of violent thieves. The movie is directed by Olivier Marchal, a former police officer who spent 12 years with the French police before creating this story, taken in part from real events of the 1980s.

Paris doctor Catherine starts to think her husband, Bernard, is having an affair when she hears an unfamiliar woman's message on his voice mail. Hoping to learn more about his extramarital activities, Catherine heads to a strip club, where she hires call girl Nathalie to have a fling with Gerard. As the affair progresses, Nathalie gives Catherine regular status reports, and the relationship between the women evolves from business to personal.

An adolescent groupie zeroes in on her Blondie-like idol after the singer chances to cross her orbit on a publicity tour. Gradually their lives intertwine as, with near-operatic intensity, the film delves into the emotional dependency on both sides of celebrity culture.

Jean Monier is a disillusioned lawyer, appointed to defend Nicolas Milik, a man accused of murdering his wife. While everything points to his guilt, Monier takes up the case, convinced of his innocence.