Growing up among horses at her parents' stud farm, Zoé dreams of becoming a jockey and forms a deep bond with a young horse. A terrible accident threatens to end their racing careers, but they fight to reach victory together.
When Elina, a young aspiring rapper forced to move from Finland to southern France, meets Sofia, her new step-sister and an impressive ballerina, she immediately falls in love with her.
Victor, in his early 20s, works at the town hall and lives with his girlfriend Charlotte, who is expecting their first child. When an incident happens at the nearby nuclear power plant, he and his high school friends are forced to confine themselves inside a farmhouse, whereas they should have evacuated the area. As the rain is threatening, they are keeping an eye out for the radioactive cloud. The next 24 hours will be crucial.
Marion faces Paris at night with a feeling of vulnerability linked to the loss of her sister. She crosses paths with Alex. Their encounter will evolve at the rhythm of their wanderings through the city, like a journey through the night.