Miche Doulin is a wife who like to spend. Her husband Henri, who is a diplomat and worried about several large bills, wins an unexpected gain at play. He hides his luck and invents an incredible burglary. His wife to repay the imaginary theft will commit a big imprudence, when she learns the truth.

A banker threatened by gangsters is replaced by a tramp who is his perfect double. The gangsters arrest the fake banker and take him for a madman.

In Paris, a stage-struck would-be actor is mistaken for an escaped convict.

Provincials visiting Paris take the drug of Professor Jouvence, which rejuvenates them with the scabrous consequences that one can imagine.

In the tenement slums of Paris between the world wars, impoverished street singer Albert yearns for beautiful Romanian immigrant Pola. Pola's boyfriend, local hoodlum Fred, grows jealous of Albert's constant attention to his woman and frames the hapless musician for one of his own petty crimes. But while Albert is in prison for Fred's misdeed, Pola ends up falling for Albert's faithful best friend, Louis.

A former professor and devout Catholic living in Jerusalem is unaware that his son supposedly studying in Paris has actually become the leader of an anarchist network under the codename Sirias.