Charles Boulin decides to sell his small apartment on Avenue Foch to purchase a little hotel in the western suburbs of Paris. But the hotel happens to be a decaying house in Argenteuil. He wanted to surprise his wife and daughter, but it soon turns into a nightmare when they learn they have move into this shack, during the work, along with unscrupulous workers ...

In 1963, Esther gives birth to Roland, the youngest of a large family. Roland is born with a club foot that prevents him from standing. Against everyone's advice, she promises her son that he will walk like the others and that he will have a fabulous life. From then on, Esther will do everything in her power to keep this promise. Through decades of trials and miracles of life, this film is the story of a true, funny and moving story, that of an incredible destiny and the greatest love there is: that of a mother for her child.