Julie finally gets an interview for a job where she can raise her children better only to run into a national transit strike.
In the middle of a performance of the play "Le Cocu", a bad boulevard comedy at a Parisian theatre, Yannick gets up and interrupts the show to take the evening back in hand.
The mayor of Lyon, Paul Théraneau, is in a delicate position. After 30 years in politics, he is running out of ideas and is faced with a feeling of existential emptiness. To overcome this, Paul hires a young and brilliant philosopher, Alice Heimann. Then follows a dialogue between two diametrically opposed personalities who will turn their certainties upside down.
