Despite Lise's advice, Claire decides to celebrate Christmas with Leon, a young outcast who claims to live outside the system. They agree to organize an anticapitalist Christmas Eve, prohibiting all expenses. Meanwhile, Mathias delivers presents as Santa for a well-paid temporary assignment.

Jean is a "slow" man, he builds his life around his anxieties, and considers himself unsuited to life in society. He lives with Alex, who is a "fast" man. Passionate about aerodynamics and eurodance, Alex lives fast and asks himself as few questions as possible. One morning, he receives a fast friend, Lou, at their place, while Jean had also planned to receive a slow friend, Caroline.

Thomas, a graduate in his thirties, is going to the unemployment office to find a job. In the search for a job advisor, he comes across an absurd world of self-employment at a congress held there, where one has to invent a job to find a place in the dystopian society.

Julien is autistic and dreams of finding love. His brother Malo is so devoted to him that he writes his messages on his dating app. Until one night, when they cross paths with Mia.

Once upon a time in a small village there was Lina, cornered with domestic tasks, and her sister Madeleine, living a carefree life. Lina’s bitterness and jealousy towards Madeleine keep on getting worse, until the day she makes a strange encounter which is going to make her darkest wish come true…