Paris. Nedjma, a teenager living with her mom and sister, spends the summer with her squad. She sees her life turned upside down when she meets Zina, coming from the opposite gang. They are rivals in broad daylight, but lovers in secret.

Damien and Nadia, 34, leave Paris with Chloé, their 8-year-old daughter, to settle in the provinces. Graphic designer for an events company, the first negotiated a full-time telework to follow his partner who has just been offered a position at the Rivière Research Institute where her friend and colleague Marion already works. The couple are expecting a child. But behind this new beginning hides a deaf threat that will soon implode the happiness of this seemingly perfect family.