Marguerite is a young and brilliant mathematician, the only girl in her class at the ENS, entirely devoted to her passion. The day she discovers an error in her thesis, she is devastated. In a dizzy spell, she leaves the school, wipes out the past. She then dives into the real world, discovers autonomy, befriends the young Léa, and makes love for the first time. Grown by her experiences, it is in this new momentum that she will find the solution to her theorem.

While he is overwhelmed by his debts and coping with his dying mother, Arnaud meets Momo, a magician from his neighborhood with unusual and mischievous behavior. This meeting will not ward off bad luck, quite the contrary. But perhaps the discovery of an old flute may be the solution to all their problems and change their destiny?

After completing his military training, young Léo, a taciturn soldier with family problems and secret addictions, is assigned to one of the units that patrol the streets of Paris in search of possible terrorist threats as part of Opération Sentinelle.

Each episode features different groups of friends telling each other about their latest crazy antics. This is a tribute to people who sacrifice their dignity to have good anecdotes to tell their mates.