Claire, a romantically spurned 50-year-old divorced teacher, creates a fake Facebook profile of a 24-year-old woman to spy on her on-and-off lover.

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….

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…