Mario Esposito, who sings in a Neapolitan restaurant, is in love with Assunta, the niece of Teresa, the owner of the place. He shares his apartment with Michel, his best friend. This one has fallen under the spell of Lolita, a gorgeous adventuress he met at the cathedral where he officiates as the organist. But things go awry as, while Michel intercedes with Aunt Teresa for Assunta's hand in his favor, Mario in turn falls in love with Lolita. On the very day of his wedding with Assunta, Mario runs away with Lolita, thus betraying both his love and his friend. But it does not take long before the young singer realizes the big mistake he has made.

When a jury member takes in the defendant he couldn't convict, she has a bad influence on his son.

Celestin works as an organist at a girl's school. By day, Celestin is the meek and mild target of the girls' incessant practical jokes. By night, however, he is the celebrated composer of popular operas -- and the romantic vis-à-vis of a celebrated stage star. When schoolgirl Denise stumbles onto Celestin's secret, she threatens to tell all -- but only if Celestin refuses to escort her to the opening night of his latest opera. As a result, Denise falls in love with a handsome young soldier, while Celestin is accidentally shipped off to an army camp. A series of silly coincidences brings happiness to all concerned by fade-out time.

During WW1, a train is stopped by a bombing, a young soldier takes advantage of the opportunity to go to his native village to connect with his love and his family. As WW2 began in the real world, this film was rereleased later in ‘39 under the revised title Je t'attendrai (I Will Wait for You).

Camille Morestan serves as a jury member at a court in Paris. The attractive Natalie Roguin is accused of murder. Morestan doesn't want to believe she really killed her lover. He succeeds in convincing the other jury members she was innocent. After her acquittal he takes her into his house. While he tries to keep her identity a secret for his family her presence leads to a number of unfortunate incidents.

Petrus, a Montmartre photographer, is accidentally wounded by Migo, a dancer at the Frou Frou night club, when she is trying to shoot her faithless lover Rodrigue, a counterfeiter. Though Petrus tries to reconcile the lovers, Migo lands up with him after Rodrigue is finally killed by another jealous dancer.

Lorette is married to Heller, a very jealous husband who has discovered a love letter from a former lover named François. He suspects (rightly so) Crémone, his best friend, and has vowed to destroy this rival. Lorette recruits a man, François Dominique, known as "Domino," to divert Heller's suspicions away from her former lover... who did indeed write the infamous letter. Domino will temporarily divert Heller's suspicions but will ultimately give rise to far more serious ones...

At the beginning of the 20th century, the destiny of Félicie Nanteuil, a young girl from the provinces who became a big star on the stage thanks to a comedian who committed suicide out of love for her.