It's New Year's Day. Antoine Garnier has decided to invite all his family and friends to dinner at his house the day after New Year's Eve. But the family being large, he is going to be overwhelmed since no less than 35 guests are expected.
Sam is a screenwriter, good at sorting out other people's stories but unable to organize his own life. He loves women with passion and there are too many around him.
Jean and Julie meet again ten years after childhood. Jean has trouble recognizing the grown up girl. Julie is "promised" to Henri, a neighbor. Julie, scathing and capricious, provokes Henri and Jean.
Emily, a child, stays with her bourgeois grandparents during frequent periods when her mother makes films. Isabelle wraps a picture, flies to her childhood home to pick up Emily, and plans to leave for her place in France. Old wounds between Isabelle and her parents open around Isabelle's life style. It's also apparent that Isabelle's mother, Paula, is unhappy - with her husband and with her youthful hopes dashed when she became pregnant with Isabelle. Unbeknownst to Isabelle, the co-star of the film she's just made has followed her, checked into a nearby hotel, and wants to begin an affair, even though he's married. Can Isabelle sort it out? What's best for Emily?
It was during their childhood that François and Malène became friends. Years later, the two teenagers find themselves. Their parents, moved by their reunion, will help them not to spoil this new chance.
