Maxime is unemployed and has been living in the apartment of his sister Jeanne for two years,so Jeanne sends Maxime to the employment agency where she works as cleaning lady.The manager Claire looks at the curriculum vitae of Maxime and tells him that is is now too old for an executive job in the financial area.Suddenly Claire receives a call that her nanny has left her job and then Claire proposes a deal to Maxime-he will take care for her son Jérémie just for a night and she will look for a job for Maxime.Some days later Jérémie was listening to a talk between Claire and her friend Sophie about nannies and Jérémie says that he want a male nanny like Maxime.Claire calls Maxime and proposes him to work for her as "homme au pair" taking care for her son Jérémie.