Now that their parents are ruined, Jacques Eyssette and his younger brother Daniel, are driven to fend for themselves. Jacques becomes the secretary of a marquis who exploits him by making him work so hard that his health gets damaged. Daniel, on his part, is hired as a supervisor and Latin teacher in a school in the province. It soon happens that he is in a bad situation too as, after being subjected to repeated harassment, he ends up being fired. Daniel then decides to join Jacques in Paris, hoping to embark on a literary career. Unfortunately, Irma Borel, an actress, sets her sight on him and drags him into a life of vice.
Count Hubert de Latour Latour is the lover of the Duchess de Maulévrier. The day he is surprised by the Duke in the company of his wife and... in a rather compromising situation, Hubert resorts to a subterfuge, claiming that he has come to see the Duchess to seek support to be elected at the Institut de France, whose chairman is precisely her husband. The latter takes him at his word and Hubert becomes... a member of the French Academy! Which just shows that everything leads to everything.
The tailors Moïse and Salomon Lévy decide to marry Mina, Salomon's daughter to a good match, to save themselves from the competition that Cohen makes for them. Mina will eventually succeed in marrying Pierre, from a marriage of love, without this harming the family business.
Opera singer Enrico Ferraro, tired of his too many engagements, jumps off the train escaping from his manager and changes to another going to the Riviera. He makes a friend and stops at a village, where (it seems) he can at last have some well deserved holidays, with the added interest of meeting a beautiful girl in the surroundings.
Professor Bock is to inaugurate the museum, the construction of which was donated by a generous patron who remains anonymous. He learns that it is his brother's wife, a former dancer, and whom he hates. But her daughter falls in love with Jim, the son of the ex-dancer, and everything will work out.
Aboard a liner sailing for New York, there are no fewer than two hundred passengers bearing the name of Lévy, all persuaded that they are the heirs to multimillionaire Abraham Levy. Among them, David Lévy has fallen in love with Esther... Lévy! Which is not to the liking of Salomon and Moïse, his uncles, who have another future in mind for him.