France, 1920s: An affluent ladies' man finds himself in love with a homely married woman.

Three couples and a single guy, from different social and career backgrounds, and of various ages, struggle with finding happiness in their lives.

Jean-Christophe Kern, known as JC, is not a teenager like any other: he won the Palme d’Or at the age of 15, the Cesar at 16. This year, he is trying to graduate from high school.

A 30-year-old woman, Victoire, the youngest member of the famous Bonhomme family and the tribe's well-behaved child, finally decides to emancipate herself by discovering alcohol, sex and... her voice. Thanks to Elvis and Banjo, a bar singer, she manages to take flight by singing about love with modesty and sex without taboos, and takes her mother with her, much to the dismay of her father and brother.

Amina, Djeneba and Zineb are three inseparable teenagers who find themselves in hot water when they post a video on social networks identifying an assailant who attacked one of the three. The video draws a public outcry, and they will have to choose between continuing their fight or giving in to pressure.

Franck and Simon are both good cops. They work as partners. But their lives take a tailspin when Simon, driving drunk, causes a tragic car wreck. A few years later, out of the police, he is forced to take matters into his own hands when his family is in danger.

To spice up a dinner party, old friends agree to share every private message that pops up on their phones -- with disastrous results.

Newly transferred to the bustling port city of Marseille to assist with a crackdown on organized crime, energetic young magistrate Pierre Michel is given a rapid-fire tutorial on the ins and outs of an out-of-control drug trade. Pierre's wildly ambitious mission is to take on the French Connection, a highly organized operation that controls the city's underground heroin economy and is overseen by the notorious —and reputedly untouchable— Gaetan Zampa. Fearless, determined and willing to go the distance, Pierre plunges into an underworld world of insane danger and ruthless criminals.

Local rebellious teenager Clotaire falls for his schoolmate Jackie, but gang violence leads him to a darker destructive path. After years apart, the star-crossed lovers discover that every path they've taken leads them back together.