Paul Château-Têtard, a 45-year-old bachelor from the best of Parisian nobility, has – for the first time in his life – to take the Metro, and even buy a ticket. It is with extraordinary luck that the beautiful young Ava happens to be sitting at the counter: a spark ignites and wedding bells begin ringing in the distance.

After giving up a life of cocaine trafficking, Dan is offered a chance to achieve his dream : moving to Australia with his daughter. He accepts the deal and starts a downward spiral sucking him back into 24 hours of hell.

Claire is a midwife and has devoted her life to others. At a moment when she is preoccupied by the imminent closure of the maternity clinic where she works, her life is further turned upside down when Béatrice, her father's former mistress, turns up on the scene. Béatrice is a capricious and selfish woman, Claire's exact opposite.

A translator working for the police gets involved in the other side of drug dealing.

Lina is a student at an alternative elementary school, where she has developed a supernatural gift. Her teacher is proud that she is a hope for the future of the planet.