February 1927. The funeral of Marcel Péricourt, the most powerful banker in Paris. His daughter Madeleine must take the helm of the financial empire of which she is the heiress. But she has a son, Paul, who with an unexpected and tragic gesture will place her on the path to ruin.
To overcome their financial problems, Justine, her husband and their whole group of friends organize a fake romantic cruise for Franck, a big investor, who is trying to seduce a woman.
For the 8th birthday of his son Gaby, Tom, unwittingly offers him a book ... which contains only blank pages. Faced with Gaby's disappointment and in order not to lose face, Tom pretends that it is a magic book: all you have to do is write your dreams in it for them to come true. This is how, totally overwhelmed, Tom will do everything he can to make his son's dreams come true, even the wildest ones!
