Writer Paul attempts to interview Rosemonde, a young woman who killed an alleged rapist in self-defense six years prior, for a true crime television program. When Rosemonde refuses to divulge details of the events, Paul encourages his actress girlfriend to befriend her, but the three are repeatedly sidetracked from their initial commission.

Frank burns himself to death at his job in protest against the inhumane working conditions. Two stories emerge from this tragic incident. Léa, Frank’s wife, who is searching for the truth. Igor, an employee who finds the dead body and steals the letter of protest for fear of losing his job.

Business executive Odile seeks a new, larger apartment. Her younger sister Camille, having completed her doctoral thesis in history, is a Paris tour guide. Simon is a regular on Camille's tours as he's attracted to her. However, Camille has fallen for Marc, and they begin an affair. Nicolas is also looking for an apartment, since he hopes to eventually have his family join him in Paris.