In the heart of a city, the inhabitants of a tower wake up one morning to find that their building is shrouded in an opaque fog, obstructing doors and windows - a strange dark matter that devours anything that tries to pass through it. Trapped, the residents try to organize themselves, but to ensure their survival they gradually succumb to their most primitive instincts, until they sink into horror...

Laurence and Éric are the parents of Guillaume, aged 17. Guillaume is arrested by the police and is accused of rape with a weapon.

Nathan, 16, lives alone with his father Stephane. A newcomer in high school, he is invited to a party and falls in love with Louis, a boy in his class. They find themselves out of sight and kiss each other, but someone takes a picture of them. Soon, the photo is published on Facebook and a storm overtakes their lives as they face bullying and rejection.

Five long-term pals confront ageing and mortality as they enjoy their last weeks together before taking different paths.

The body of a teenager is found in a river.

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.

Claire, a 50-year-old divorced teacher, creates a fake Facebook profile of a 24-year-old woman to catfish Alex, the roommate of her former lover, Ludo.

In her new school, 15-year-old Chloé soon becomes a close friend of charismatic free spirit Luna. She also falls in love with Luna's ex-boyfriend Félix, a bad boy with a poisonous charm who's also a porn addict.

Despite her best intentions and hard work, a single mom with two sons just can't make ends meet and is forced to depend upon credit just to get by. Desperate, she can see only one solution left to save her family: stage a hold-up.