After meeting at a party, Isaac and Ava spend the night walking in the cold Parisian winter and fall in love without even realizing it. But Ava has to go to Brazil the next day. As he waits for her alone, Isaac learns that Ava's plane has gone missing.

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...

Following the death of his twin sister, Gaspard, a young music teacher, brings together his five former best friends in their deserted childhood school, in the middle of July.

Cyril and Louise love each other dearly. Today they celebrate the fourth anniversary of their wild love. Tonight there will be a forest party. Louise and Cyril are planning to go. They don't know it yet, but it will be their last evening together, their last kiss, their last first love.

On a beautiful autumn day, in Montsouris Park in Paris, Jacques and Nathan are looking for interesting people to shoot their documentary. They chance upon Pierre and Martin, two odd dodos about to have an unusual experience.

Fourteen-year-old Otto writes a suicide letter to his family and classmates, but his attempt fails. Too ashamed to go back home, he hides. As night falls, he roams the city streets like a ghost—until a girl from his high school, Léna, recognizes him.

After selling a painting depicting his late mother to a respected collector, Aliou must contend with the hidden costs of this exchange.

Sacha, 23, spends a Wednesday afternoon with his 9 year old brother Marlon. While he had promised him a day dedicated all to himself, they run into Ariane, his first high school love.

Lucien, a young actor in his twenties, lives his last day of filming in the heat of summer. It's his first experience on a movie set, and when Adèle, who he co-stars with in the film, offers to kiss him during a scene, confusion overwhelms him. How not to get lost between fiction and reality?