Felix is a middle-aged bourgeois husband. Much to his discomfort, he learns that his wife Gabrielle is carrying on with a young man--a very young man. Rather than express outrage, Felix decides that there's something lacking in him. He spends the rest of the picture trying to keep his wife by altering his own personality and outlook.
Envoi de Fleurs is based on incidents in the life of French composer Paul Delmet. Played by popular French singing star Tino Rossi, Delmet is depicted as a man all too willing to give up personal happiness in favor of blind ambition. After carrying on a romance by correspondence with beautiful young Suzanne (Micheline Francey), Delmet is on the verge of marrying the girl. Instead, he allows himself to be talked out of leaving France to further his own career, with disastrous results for all concerned.
A journalist who deals with the column "courier du cœur" has the absurd idea of launching an investigation into the death of a pianist whom he claims to have been murdered. To dazzle his wife, a reporter for the newspaper, he disguises the facts in such a way that the police suspect him, then declare him guilty. It takes a number of adventures to get him out of this mess and get him back into his section.
Agnès Bonnardet leaves her parents to marry Claude Sironi, a painter who becomes famous but loses his talent. Meanwhile Agnes acquires a style of her own as an artist, which makes Claude jealous of his young wife. One day, he sends one of his own paintings to the Bazar de la Charité, a very trendy Paris department store, instead of one of his wife's works as ordered. Afraid of her being mad at him, he locks her up in the cloak room. A dreadful fire suddenly breaks out and sets the building ablaze.
On his way to Paris, Casanova keeps on collecting female conquests, does not shy away from duels and gets into many a colorful adventure. Once in the capital, the fearless knight saves the honor of a great lady, conquers the niece of his implacable enemy but courts disaster for love of Coraline, a faithless opera dancer.
A scandalised Frenchman returns from Africa where he has been involved in illegal trading of mines (resulting in the deaths of many African miners). His bourgeois family are wary of the shame that he will bring so he must try to redeem himself and his family's name.