A widow named Blanche Montel endeavours to find a man with whom to produce a child so that she can pretend that the child was her late husband's and so inherit a fortune.

This is the story of two sisters: one of them is a semi-whore with her pimp, the other one tries to walk the line, in spite of her sisters’ attempts to debauch her. Enter a not-so-handsome young man the younger sister falls in love with.

A young husband, annoyed by his stepmother, divorces and marries a young girl whose father is a widower. When the two new spouses return from their honeymoon, the stepfather has married his son-in-law's first wife.

An art historian has an affair with a young saleslady while his disaffected wife cheats on him in turn. Both illicit relationships end in little boys being born around the same time.

Primerose loves her childhood friend, Pierre, but this one, ruined, refuses her love. Desperate, Primerose enters the convent, but soon the order is dissolved and Pierre, who finds his young friend, finally lets his heart speak...

Ferdinand is an honest and almost prude chemist at the Fourageot laboratories. His boss, Mr Fourageot, is mostly busy with his mistresses but comes to be worried with his young and outgoing daughter.

In Algiers, Cesar Sarati who grudges the dockers, is, without realizing it, in love with his niece. But Rose loves Gilbert, a former gambler and debauchee who, out of love for her, changes his life. On the wedding day, Sarati commits suicide.

Charles's uncle is the headmaster of a chic girls school .He is short of the readies and he has lots and lots of debts.

For the Marquis Barbezieux de Saint-Rosay, nobility is important. If anything can comfort her, it's her family tree. In order to erase any doubt he invites in his castle a cousin of his established in Scotland, whom he instructs to bring him his titles of nobility. A first person introduces himself, calling himself his cousin, but it's not him. Then one, then two, then three false cousins ​​appear in turn. Will the real Saint-Rosay of Scotland eventually present itself?