At the end of the 19th century, during a ball in Joinville, on the outskirts of Paris, Georges, a former delinquent working as a carpenter, meets Marie, a young woman connected to a criminal gang.
After attending to a suicidal young man, Dr Richard learns that his wife has been unfaithful for years. This comes as a shock after 10 years of supposedly happy marriage. Back home, he demands answers from Madeleine. A long night of explanations ensues.
Evanella, who writes the “Horoscope” section of a major newspaper, and her brother Méristo, create with the help of a young journalist, Jean Lassère and the capital of their uncle Amédée, a “Bureau des Prédictions”. Success being expected, they manage to obtain revelations about a gang of gangsters which they publish as predictions. It is success and fortune. Jean marries the newspaper director's daughter and Evanella the director himself.
