Charles Vigne, a wealthy banker, frees Abdul, a good genius imprisoned in a vase. To thank him, Abdul grants his wish: to become a child again, while retaining the experience he has acquired. But the "disappearance" of the banker panics the financial markets and has disastrous consequences for the bank. Eventually, Charles Vigne will ask Abdul to give him back his real age.

Montmartre in the summertime. A group of street urchins idles outside while the other kids of the neighborhood are away on holiday.To keep the gang busy, Pivolo, their leader, has an idea : they are going to kidnap Aunt Faguet's doggy. Just for the fun of it. A few days pass after the crime is accomplished and one of them suddenly realizes that a reward is being offered by the aunt to anyone who would bring her her pet back. Mademoiselle Hélène, the kind-hearted social worker, does it for them and gives them the reward money, which is instantly exchanged for lollipops, nougat and merry-go-round and cinema tickets. So, why not continue? That's what they do, abducting several dogs, until they realize they are becoming ... too rich! They can't buy themselves luxurious gifts or else their parents are bound to suspect something. Instead, they decide to do good by helping poor people around them. One day, Pierrot, a member of the gang, gets run down by a cyclist and becomes blind.

Léon Ménard, the village verger, is a decent young man whose hobby is to play the accordion. One day he is fired for having accompanied Mary Pinson, a singer deemed scandalous by the right-minded parishioners. Blinded by his love for Mary, Léon follows her to Paris where he becomes her plaything. With Mary's complicity, a gang of swindlers make him the puppet proprietor of a night club. But Léon can't live in a fool's paradise forever and soon finds himself on the street, forsaken and desperate. Luckily, the manager of a circus notices him while he is busking and he hires Léon at once. Not only will success come to him but he will win the love of sweet Solange.

Judge Julien Lamy regularly deals with the welfare of children, namely down on their luck delinquents. When an orphan named Alain Robert burns down a barn belonging to his abusive foster family, Judge Lamy has no choice but to send him to a juvenile jail. There he meets an older boy named Francis Lanoux, who is desperate to escape and be reunited with his girlfriend Sylvette. The boys eventually flee the institution, as Francis goes in search of his lost love and Alain continues looking for his parents. Unfortunately, the little rebels run into some big problems once on the outside.

Due to financial problems, the boarding-school of Saint-Loup is on the verge of closing its doors. In desperation, Jacquelin, the headmaster, has the idea to invite former students to a fund-raising reunion. Among the alumni, three men whose common point is to have been in love at the time with the headmaster's niece. One is a banker, the second a priest and the last one a globetrotter. All of a sudden, the peace of the assembly is disturbed: Jacquelin's niece has just been murdered.

The inhabitants of the windswept island of Sein, in the nineteenth century, in Brittany follow their own religion without need for clergy, but as strangers arrive, their faith and beliefs face a deep crisis.

Professor Louis Delage is a kidney transplant specialist. He is so good in his field that his peers nickname him the "great man". But one day, one of his patients die during surgery and Delage starts doubting. Is he actually such a great man? To fight desperation he decides to take in the deceased child while devoting more time to Florence, his hitherto neglected wife.

Louis Bertain is the owner of a Paris garage which is the front for a robbery gang. He and his accomplices are careful to keep up a civic veneer by day, indulging in criminal activities only when "the red light is on" at night. This status quo is upset when one of the gang members becomes convinced that Louis' younger brother is a police informer.

François wants to buy a house to help underprivileged children. He lacks money, but a generous donor allows him to realize this dream.

A doctor, leading an agreed life of the provincial petty bourgeoisie, falls in love with a young woman. As their relationship deepens, he becomes violently jealous and blames her for her dating and friendships.