The youthful loves of a young seminarian Jocelyn and the young and gentle aristocrat Laurence, refugees in the mountains to escape the revolutionaries. Jocelyn's ordination will sacrifice her love to the bishop's wish.

Beautiful and adored by the public, the great actress Florence once faulted with Remi, a disreputable individual. A little girl was born who lives in the countryside. Dorcier, the director, would like to marry Florence and wonders about her private life and her past existence. A jealous rival unleashes slander.

Philippe Clarence, a famous Parisian dressmaker, seduces his friend's fiancee. But, for the first time in his life, this is for real. The film is also a sharp picture of the fashion world.

Following a trivial road accident, Ariane, an international adventuress, falls in love with Bernard Fleuret, a young artist-painter with diseased lungs. Being pursued by the police, she chooses to hide in the sanatorium where the young man is treated. Ariane proves so smitten by love that she finally changes her ways: she decides to let herself be arrested, sure as she is she will be reunited with her loved one later on.

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.

Story is primarily based on the adventures of Antoine, a young telegraph messenger on his second night of work. He is given three telegrams, one of which is for the president of the Camber of Deputies. Excited, Antoine runs his bicycle into a truck and loses the telegrams. What follows is an amusing and agonizing search for the missing messages. He is assisted first by a glum, wise-beyond-her-years little girl, Amelie; an off-duty police superintendent, a schoolmaster, a cookie-tin maker and a fireman. The harmonica musical theme is played by Flore Falvey.

1948. Madeleine is the headmistress of a kindergarten in Ménilmontant. Dr Libois, the school doctor, is very close to her heart. When Rose, a new helper comes to the school, Libois is impressed at once by her understanding of the little ones and her dedication to them. Little by little, Libois grows fond of Rose while becoming estranged from Madeleine. He eventually marries Rose.

In Paris, three models are murdered, being one of them the mistress of the fashion designer Dominique Airelle. It is the young inspector who is in charge of the affair.