Antoine Méliot is around 40 years old and has everything he needs to be happy: a beautiful wife, two adorable children, friends he can count on, a pretty house in the Yvelines and money. But one day he decides to ruin everything in one weekend.
Despite his fame, Taillandier has suddenly stopped painting. Deeply depressed, the sixty-year-old decides to go away. He has no clear goal and explains nothing to his close friends. During his travels, he has a strange encounter with Marylou, a wild teenager who was rejected by her mother. The lost girl and the man at the end of his tether will travel together awhile. Finally living like a father and daughter, at peace.
When he finds out that his wife is cheating, Antoine walks out on his family. His one regret is that he can only see his children every other Sunday.
