Lambert, a recovering sex addict, tries to redeem himself by becoming a marriage counsellor. He stays abstinent for several months, but his alluring assistant's unbridled sexuality tests his resolve.
Agathe runs an art gallery. Her husband François is a publisher. Together they have one son, and in every way seem to be the picture of normality — but emotions are stewing under the surface. All it takes is the arrival of a complete stranger for things to start unravelling. Patrick is brash, uncouth and totally unselfconscious...
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.
