One morning, Laura Corre files a complaint against the former mayor of the southern town where she grew up, who had recently joined the government. She has to face the reluctance of the police officers taking her statement. After leaving Paris, Laura had returned to live with her father, Max, a former boxer who had become the mayor's chauffeur. Seeing an easy target in the shy young girl, the mayor agreed to pull some strings to get her a place to live.

Nora, a cleaning lady in her fifties, looks after her small family in a housing estate in the northern part of Marseille. She is worried about her grandson Ellyes, who has been in prison for several months for robbery and is awaiting his trial with a mixture of hope and anxiety. Nora does everything she can to make this wait as painless as possible.

Lila has just broken up with her cheating boyfriend and is disappointed, frustrated and hurt. Looking for love and intimacy, she engages in a series of short-term relationships, while her friends offer up bad advice and her ex tries to win her back.

Ever since she served on the jury during his trial, Nora has been convinced that Jacques Viguier is innocent, despite him being accused of murdering his wife. Following an appeal by the public prosecutor’s office, and fearing a miscarriage of justice, she convinces a leading lawyer to defend him during his second trial, on appeal. Together, they will put up a tenacious fight against injustice.

Stéphane defers his frustration at not having had a son on his sons-in-law. So when her younger daughter decides to leave a rugby player than the idolatrous father for a doctor he can not stand, he will do everything to get his son-in-law back. His daughter will not let it go.

At 40, Stephanie loses her job and is forced to move back in with her mother. She is welcomed with open arms to the joys of overheated apartment, Francis Cabrel playing on loop, Scrabble games and precious motherly advice on how to behave at the table and live her life.

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.