The film takes place in Paris, where two cops are competing for the vacant seat of chief of police while in the middle of a 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, which is taken in part from real facts that happened during the 1980s in France.
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.
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.
