On connaît la chanson (1997)

Odile is a business executive looking for a new, bigger apartment. Her younger sister Camille has just completed her doctoral thesis in history and is a Paris tour guide. Simon is a regular on Camille's tours because he's attracted to her. 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.