Émile Boulard is a props man in a Paris movie studio. He has a wife, Suzanne. Or to be more accurate, let's say he HAD a wife since she left him fifteen years before, allegedly ... to go buy a post stamp. But now that their daughter Martine , who lives with her, is old enough to marry, she resurfaces. She confesses that, in order to explain his absence, she has told Martine her father was a great explorer and lion hunter in Africa. Not to disappoint his daughter, Émile accepts to pose as the adventurer he is supposed to be. At the same time he will help Daniel, Martine's bashful fiancé, not to become a henpecked husband like him.

The story of how the people of Paris cope with the strains and struggles of war, from the siege of the city by the Prussians during the Franco-Prussian War of 1871 to the invasion by the Germans in World War II.

Claude is a young man whose girlfriend has just broken up with him. Feeling unable to overcome the pain, Claude has no other idea than to end his life. Back home, he finds five middle-aged or elderly men sitting at the dinner table but he refuses to join the guests and goes upstairs to his bedroom. The worst is prevented thanks to a servant who has caught sight of Claude's revolver. Claude 's uncle joins his nephew and manages to persuade him not to take action. He takes him downstairs to the dining room where each in turn, the five guests start telling their own story. For it happens that they too once had their heart broken and that they too once wanted to die for love.

A would be blind hoodlum redeems himself in the Salvation Army just for a lovely lieutenant.

In the elevator of two large Parisian buildings, a telegraph operator discovers the body of an elderly woman, Madame Mathieu, the owner of both buildings. Boucheron (Lucien Baroux), the local superintendent, is dispatched to investigate, along with his rival, Inspector Lambert of the "Sûreté" (Jacques Baumer). To solve the enigma, they scour staircases and corridors, visiting every floor of both buildings, courtyard and facade. Their gruff rivalry allows them to complement each other in discovering who committed the crime among a gallery of characters, humble or rich, who all have something to be ashamed of... A rare, fast-paced, picturesque comedy set against the backdrop of a police mystery.

"Les Trois Valses" traces the love story of two people over three eras. In the first waltz (music based on Johann Strauss I), Yvonne is a sensitive Parisian ballet dancer, whose romance with a dashing officer is brought to an abrupt end by his family. She goes off to Vienna to become a big star. In the second waltz, her daughter, an even bigger star, but now of Paris music halls, has a brief flirtation with the rakish man-about-town who is the son of suitor number one. She throws him over pretty quickly for a chance to shine at a Gala performance. Finally, in the third waltz, the two get together, when she is a movie star, and he is posing as an insurance salesman.

Willy Ferrière is a gambler living beyond his means, and his mistress is as greedy as he's dead broke. One day, he says out of loud in a a Montparnasse café that he would give 100,000 francs to get rid of his wealthy aunt so he could claim his inheritance. Someone secretly lets Willy know it's a deal. The old lady is murdered, and a low-life criminal is manipulated to be the perfect suspect. But Superintendant Maigret feels something is wrong.

A film by Louis Feuillade.