Marcello, a shy tenor, is afraid of singing in public. Two friends of his think of having an elegant youth on the stage pretending to be singing while Marcello dubs him behind the scenes. The scam is successful but after a while Marcello summons the courage to go on stage himself.

Bouboule, a shoeshine boy at a Parisian train station, is about to discover a revolutionary shoe polish. Unfortunately, due to a series of misunderstandings, he loses his job. But at the same time, he wins a fabulous sum in the lottery. From then on, shoe polish is back in the spotlight…

In Italy, in 1736, Pergolese is in love with Maria. But Maria's brother, Count Raniero, forbids his sister to marry a modest composer. Pergolese kidnaps the young girl, but they are caught. Maria is locked up in her castle while Pergolese dies in the convent that takes him in.

A young man, having seduced his friend's mistress, undertakes to leave his wife to the latter for one night, when he is married. A few years later, the friend claims his due and the young man introduces him to his so-called wife.

A pious family, a non-believer, and a little boy who suffered an accident, whom a doctor believes is forever doomed to crutches: can he walk normally again due to his faith in the Virgin of Lourdes.

Charming Mimi-Trottin is in love with typographer Louis Chausson, nicknamed Godasse. She meets Doudou, actually a Vicomte, estranged with his parents who are rich automobile manufacturers. Godasse abandons Mimi because of his professional ambitions and Doudou rescues her from a suicide. After making peace with his parents, the young man has Mimi hired as a typist at the factory. After winning a race with one of his father's car, he soon wins the heart and the hand of Mimi.

An earlier version of the 18th century swashbuckling story later made as a vehicle for Gerard Philipe, this one is in serial format.

The story is told through the eyes of Titi, a very young boy who recently lost his mother and was left stranded in the slums of Montmartre. He comes across a little girl who, later, turns to be an East European princess, chased by the killers hired by her own uncle...