A successful artist, weary of Parisian life and on the verge of divorce, returns to the country to live in his childhood house. He needs someone to make a real vegetable garden again out of the wilderness it has become. The gardener happens to be a former schoolfriend. A warm, fruitful conversation starts between the two men.

After the accidental death of his son on a racetrack, Edward Milan, a wealthy industrialist, asks his nephew to find his grandson, who has been living in an orphanage for eleven years and whose existence he has just learned. But the boy, named Martineau, is suspicious of the police since he has been unjustly accused of shoplifting. He runs away when the two uniforms in charge of taking him back to his grandfather's house appear. He manages to find lodging with an old lady, a kleptomaniac at times, then with a theater prop master who is persecuted by his fiancée and finally with a lonely veterinarian.

Alphonse Tram is unwittingly involved in several murders despite having no memory of committing the crimes. His confusion lead him to confess to his neighbour, Inspector Morvandieu. Alphonse and Morvandieu become the axis around which murders occur.

France, 1950s. From the Quartier Latin to Saint-Tropez via New York, a young Parisienne becomes the icon of a whole generation. In 1954, 19-year-old Francoise Sagan shot to fame with her first novel, Bonjour Tristesse. Flamboyant, scandalous and underrated, Sagan lived her life at the furthest edge of excess. She won and lost fortunes at the roulette table, bought and crashed superb sports cars, drank, danced and partied, leaving a trail of lovers in her wake.

Françoise has gone into business seducing men whose wives want to divorce them, and who need incriminating evidence against them. In addition, she has a little blackmail operation going on on the side with politicians who can't afford a scandal. She got started on this business after she was raped, and hasn't looked back since. Now the police are on her trail, and she avails herself of the services of a couple who make a profession of hiding wanted criminals. At the hideout, she meets Simon, a second-generation mobster. As the police close in, Françoise and Simon go on the run together, pulling off occasional heists for operating money. Before long, they have also fallen in love.

Octave and his friends, Achille and Hector, wander around at night in the grocery stores, the regulars' restaurants and the creepy bars. Octave meets Esther by chance. These two people have diametrically opposed characters. She is beautiful, cultured, free, creative, while he is rude, violent and whiny. The latter falls in love with her. The game is going to be difficult.

Alexa, Fernand, and Louis form a tender yet unconventional trio in a quiet suburban home. Fleeing failed marriages and societal expectations, they build a life rooted in love and mutual support. But their unorthodox arrangement stirs suspicion, especially from a curious police inspector whose own life is about to change in unexpected ways.

Diane, a young woman in search of a child, is looking for money to go to the sperm bank. She crosses paths with Arthur, a bank robber.

Isabelle and Maxime are a pair of lighthearted lovers -- that is, until Isabelle gets the itch for motherhood. When she confesses her desire for a child, Maxime panics. As a cartoonist by trade he is far from financially stable, so he outright rejects the idea of parenthood. What follows is a roller-coaster romance full of recriminations and reconciliations, until Maxime must ultimately decide whether his fear of becoming a parent is a reason to leave.