In a bustling French city, a group of friends finds themselves caught up in an explosive series of comedic situations and misunderstandings following the arrival of an unexpected little baby. It all begins when the characters, who lead a comfortable and carefree life, decide to celebrate a dinner at one of their homes. What seems like a quiet evening quickly turns into absolute chaos when, after a moment of negligence, a baby escapes from its nanny's arms and wanders into the crowded apartment.
Under the watchful eyes of mischievous neighbors, the gang tries to retrieve the little one while tensions and secrets from the past rise between them. The situation intensifies when a series of unusual plot twists reveal jealousy, hidden romances, and forgotten rivalries. With each failed attempt to catch the child, the friends see how their personal entanglements intertwine in unexpected ways.
The film is a torrent of laughter, where confusion and madness become the order of the day. As the night progresses, they not only discover the importance of camaraderie and friendship, but also confront their own fears and desires. In the end, what started as a simple gathering transforms into a lesson about responsibility, love, and the madness of modern life, proving that sometimes, a little baby can turn the established order upside down.