The plan cannot keep up with the changes

The story takes place in France, the romantic city. Every summer, a grand and joyful music festival is held here. At this time, the whole city is immersed in a sea of ​​joy. Many people choose to sign up for dance training classes on the eve of the music festival to improve their dancing skills so that they can fully enjoy the festival. The famous female lawyer Ma Li (Karin Viard) and her husband Piette (Danny Boon) are two of them. During the training class, the couple met many like-minded friends, and they decided to hold a family party to celebrate their newfound friendship. Juliet (Marina Hands), Sarah (Emmanuelle Seigner), Alan (Patrick Bruel) and Ivan (Patrick Chesnais) all received invitations. However, when they ended the carnival and prepared to leave, they found that the door was locked.