Eighteen-year-old Victor loses his parents in a car accident three months before his baccalauréat. He is taken in by his godfather Michel, an enigmatic man who lives in the outbuilding of a chateau with his daughter Caroline, a young woman in her twenties.
Juliette is attending the baptism of Lucas, the son of her best friend Claire. But the young mother, weakened by her childbirth, shows disturbing signs of depression.