After his release from prison, it was agreed that Julien would have custody of his children, Alice and Théo, on Christmas Eve. However, his joy is short-lived when his boss calls, demanding he works his shift as a deliveryman that night or risk losing his job. Faced with this ultimatum, Julien promises his children he'll be back before midnight. Julien's troubles begin the moment he sets out on his deliveries when he has a run-in with, an old acquaintance from his criminal past who blackmails Julien into driving him around a series of break-ins.

Lucien is sick and at the end of his life. Caroline seems to have chosen to live hers away from her father. The unexpected departure of the assistant nurse, Marthe, forces them to spend time together. Despite each other's pride and bad mood, they realize that behind the hate, there is love.

A fast-food restaurant in the evening, with two employees, Lou and Malik. In their twenties, these college friends are about to achieve their dream: buying a food truck, which they will call "Les burgers volants" (The Flying Burgers). But the evening will reveal the limits of their affection. Between betrayals, revelations, and the end of a love story, no one knows how their story will unfold, not even the director or the actors.