In the Summer of 2024, Paris is hosting the World Triathlon Championships on the Seine for the first time. Sophia, a brilliant scientist, learns from Mika, a young environmental activist, that a large shark is swimming deep in the river. To avoid a bloodbath at the heart of the city, they have no choice but to join forces with Adil, the Seine river police commander.

Police cadet Fred Leprince is found dead inside the police academy. His sister Émilie, also a cadet there, doesn't believe the suicide theory.

Nowadays, in Paris, a student who occasionally prostitutes, a freshman drug dealer, a trader who makes a ton of money... Money, pleasure and ambition are the cement of their relationship. In today’s world, they love and hurt each other.

Fed up with her cheating husband, Louise, 45, takes off for a weekend in Corsica. But after a wild night of unbridled passion with a man who winds up dead, Louise is unwittingly mistaken for his secret, longtime girlfriend by his Corsican fearsome but loving mother.

Sofiane, Victor and Luisa, three seemingly incompatible teenagers find themselves bound together by a supernatural force.

Alice and Nadia are two French women who have little in common except maternal love: they are faced with the challenge of saving their sons from drugs, prison, and death.

Chloé Saint-Laurent is a profiler and works with a police team to solve murders in Paris. She's very sweet, she wears very colored clothes and a huge yellow bag. She looks like a little girl who need a doll, but she's very smart and a very good profiler. Step by step, she fit in the team and her colleagues, very reserved at first, became her best friends.