The result of the small handkerchiefs "Petits mouchoirs", 7 years later. The band, which erupted, is found on the occasion of the anniversary surprise organized for Max.

Antoine is the Head of HR of a big company. Managing people is his thing, so when his overwhelmed wife suddenly decides to go on holiday and leave him with the responsibility of the house and their four kids, he knows it will be a piece of cake for him. But Antoine has drastically underestimated the mess that four mischievous kids can cause...

In the peaceful world of Little Nicholas, there is Daddy, Mommy, the school, but above all, his band of friends. They are called The Invincibles, but above all they are inseparable. At least they think so. But when Dad gets a promotion and announces that the family is moving to the south of France, Nicolas' world falls apart. How can he imagine life without his best friends?

Yves is a constant victim of humiliation on the part of his schoolmates. His only refuge is synchronized swimming, which he practices at night in secret. When Charlotte, a colleague and team member, finds out, he can no longer hide.

After Antoine was fired from his job, he became a stay-at-home dad taking care of his four children, while his wife Isabelle restarts her career as a lawyer. For Antoine, the family's upcoming ski vacation is a godsend: he can finally take a break from parenthood and enjoy a luxury ski resort! But just as they are about to step on the train, Isabelle is called back to work for an emergency and Antoine has to deal, on his own, with his four mischievous kids going wild on the slopes and in the fancy hotel, as the trip turns into total chaos…

Natacha (25), a young single parent who works as a fast-food waitress, struggles to raise her 8-year-old son Enzo. Torn between a strong desire for independence and the comfort that her mother Irène unfailingly wants to provide for them, Natacha feels trapped. Her encounter with Walid, who is waiting to save enough money to pay for his crossing to England will open new horizons for her.

Alex, 43, is not a man of many responsibilities. He works as a tow truck driver in the car repair garage run with an iron fist by his mother Antoinette. She hopes he will someday take over the business, but Alex manages to consistently prove that he’s not up to the task. One day, he assists a woman whose car broke down and ends up spending the night at her place. The next morning, she is nowhere to be found, and Alex discovers he is alone... with three kids!