Antoine, a bachelor party-goer, gets new roommates: Jeanne and her two children.

Yan awaits a tryst is embarrassed by her neighbor who stormed her house while she was on the doormat in lingerie . Stéphane Plaza endorses the costume of Pierre Richard in the play that inspired the film "A left out of the elevator ."

Thirty-year-old Ben is about to marry Juliette. His quiet, ordered life will fall to pieces when he meets up again with the person he secretly wants to see the most: Vanessa, the high school bombshell who never so much as looked in his direction. She's back in Paris, and the only person she now knows is him…