Bob, a student, is very emotionally close to his mother Suzanne. He is alarmed when she seems about to begin a relationship with a novelist, regarding it as a betrayal.

Augustin, the bashful but model secretary of Fontange,a tyrannical industrialist, is desperately in love with Christiane,his boss's daughter. Of course Daddy will never allow. On the contrary he wants to force his daughter to marry his business partner, a single man, whose money would be a welcome help. To escape such an unfortunate lot, Christiane must find a subterfuge. The solution is Bichon, the baby that Jacques, her younger brother, is supposed to have had from a certain Loulou. By claiming that the baby is hers and that Augustin is the father, she hopes to compel her father not to marry a man she does not love.

André Garnier, a young pianist, who was sent to deportation following a denunciation, absolutely wants to find his informer. He falls in love with Hélène, the mistress of a wealthy industrialist, Bernier, in whom he soon discovers the man who once sold him to the Gestapo. Bernier is soon found murdered. André deflects suspicion on Jacques, the victim's secretary. Hélène and André's affair ends up being discovered by the police, who seem to see in it the motive for the crime. André surrenders to justice.

A man remembers all the incredible stories that took place in his hotel.

The Dombreval troupe is the last vestige of an outdated form of entertainment: the traveling theatre. Mireille is the director, strong, courageous, but overwhelmed by the hardships and financial difficulties. Full of dignity, she refuses negotiations and compromises, confronting all with determination. The end is however near, Mireille is aware of it.

A mysterious figure signing himself "The Ferret" keeps sending letters to the police, tipping them off about murders that are to be committed around Paris. Among those caught up in the police manhunt is a fraudulent clairvoyant.

Léon, André, Christiane and Monique, who all study drama, decide to go camping together. Unfortunately - although unsurprisingly - their old jalopy breaks down on the road. Chance has it that in the village where they are stranded a historical movie is being shot by famed director Médéric, starring sexpot Barbara Glamour and Latin heartthrob Edouardo Tocato. Two of the young people start flirting with the two film stars until their friends make them see reason : they love each other. The four of them end up being hired as extras and all is well that ends well.

An American manager and his daughter want to hire "the little singers with the wooden cross" for a tour of the United States,but Jeannot,a young member of the choir recognize his grandma's locket round the girl's neck .

Monsieur Bosquier, the owner of a private school, is far from pleased when his eldest son, Philippe, fails his end of year exams. He decides to send his wayward offspring to England to improve his English. In exchange, Philippe’s host, a wealthy whisky distiller, Mac Farrel, will send his daughter, Shirley, to live with the Bosquiers in France. However, Philippe has already decided to spend the summer holidays on a yacht with his friends, so he sends a fellow student, Michonnet, to England in his place. The deception is soon discovered but things go from bad to worse when Philippe and Shirley fall in love and fly to Scotland to get married...

The biographical story of Puccini spans his creative life from early student days to the height of success, including his early flop Madama Butterfly and his incomplete Turandot. Along the way he encounters three women who change his life, including an attractive, beautiful singer whom he drops for a small town girl, and a servant girl who commits suicide over him.