Doumel

Grey conducts a triple murder investigation, the last murder committed gives him some clues to the murderer and that the victim may have known his killer. He devises a plan to identify the guilty party, who is a scary psycho and he is captured.

Leaping forward twenty years, the trilogy continues with the death of Fanny's husband, Panisse, and the discovery of her secret by her son, Césariot. The young man resolves to track down his biological father, Marius, whose life has been fraught with calamity and poverty.

A celebrated singer in Paris meets a young woman and courts her by pretending to be a driving instructor.

Poor Arlette is married off by her well meaning mother to a supposed count who turns out to be a fake and a crook.Arlette seeks out the real count, to whom in name technically she is married.

At the urging of her childhood friend Brémontier, Lucie de Kéradec, a wealthy widowed countess who wishes to remarry, invites all of her seven suitors to her mansion. Her untold intention is to test them by claiming to be ruined. The experience is a success in that each of the potential husbands reveals his inner nature but a failure when it comes to finding a new life partner. None of the guests passes the test except - the eighth man, namely Brémontier who loved Lucie in secret but, being penniless, had not dared declare his flame to her.

Dora Nelson, a famous actress, leaves both her husband Philippe de Moreuil and the role she was playing in a movie directed by Nivert, to follow her lover Santini in Italy. But she soon realizes that Santini deceives her with a girl named Elsa. In vexation she decides to return to her husband and to her career. Unfortunately for her, Suzanne Verdier, a little working girl, has in the meantime replaced her not only in the film she had left unfinished but in her husband's heart as well. Dora eventually understands she must step aside.

A very shy person inherits a traveling circus on the express condition that he manages to present a number on the ring.

Henri Pierson, the chief engineer of a railway line crossing Yunnan in China, must prevent the incessant attacks of a gang of looters.

Alexis, a former war pilot, attempted the Paris-Tokyo raid and failed. He became a taxi driver. The film actress, Margot Fontane, forgets her bag in the taxi and Alexis thus meets her. He goes to see the great actress shoot, he is hired for a small role as an aviator, and to simulate a take-off, he flies to Tokyo. It is the signal of happiness for the two lovers.

The Marquis de Barfleur, an unattractive man, decides to resort to plastic surgery to ensure the fidelity of Colette, his young mistress. Now endowed with a face to die for, he is about to achieve his goal. But the Marchioness de Barfleur, the Marquis' loving wife, does not hear it that way. She has her revenge claiming everywhere that her husband is... dead! An assertion people believe since they do not recognize the Marquis! When her vengeance has lasted long enough, she forgives the Marquis and husband and wife fall into each other's arms.

During a stopover, Morel, an airline pilot and Colette spin the perfect love. She hides from him that she is compromised in the actions of a band of criminals. She manages to escape her dangerous friends while a shootout wipes them all out.

Jules and Fernand are two boys from the Café des sports in Marseille who take part in their corporation's annual race.

Gontran is required to marry if he wants to benefit from his aunt's inheritance. To convince the latter in favor of a visit, he calls on the wife of a friend who will play the role of the future wife. This maneuver will cause many misunderstandings.

Edwige, a rich American divorcee, goes to Morocco to look up an amazing pilot she once knew. The young woman's secretary, also an aviator, won't fly a plane because he was in a terrible accident. As he is in love with Edwige, the secretary does everything in his power to thwart her romance with the other pilot. He finally supplants his rival and wins the heart of his boss.

Jean is ten years old and imagines that he is the cause of the misunderstanding that occurred between his parents. He leaves the military institute where he studies and becomes the protégé of an opera singer at whose house, one day, he surprises a thief who blesses him. His parents reconcile at the foot of his hospital bed.

Monsieur Jourdain is a dangerous madman : he wants to share his fortune! His relatives do what any sensible fellow on earth would do: they have him committed to a mental hospital. But Jourdain manages to escape and decides to make everybody happy except... his heirs!

Following a slight accident, a stranger appears in a Provençal village and knocks at the door of the Philippes'villa, asking them for help. Albert Philippe is suspicious but his wife shows some interest in the man. After leaving the Philippe family, the unknown man goes to the village, meets the mayor and buys an island opposite the Philippe villa. It suddenly appears that the mysterious fellow is none other than Balthazar Lemonnier, a well-known millionaire. No sooner is the news disclosed than everybody, including the initially distrustful Mr. Philippe, wants to become his friend.

Blanchette, unable to find a job, prostitutes herself in Paris. She then finds the man she loves when her morale is at its lowest.

Two different sales agents named Max Durand live at the same address. One of them pretends to be the other so he make the money and get the girl that he wants.

Vérotchka, a vivacious theater actress touring in a provincial town, is turned out of her hotel by orders of Monsieur Tricointe, the stern president of the local law court. In a rage, the actress knocks at Tricointe's door with a view to protesting against the treatment she is given. She goes about it so well that she ends up being accommodated by the president himself. This is the moment Jean-Pierre Gaudet, the Minister of Justice, chooses to pay an unannounced visit to his friend Tricointe. There he mistakes Vérotchka for Madame Tricointe and the president does not dare to contradict Gaudet. A lot of absurd situations ensue.