When Halfdan’s old flame, Karina, comes to town, the reaction of his jealous wife Märthe begins to concern him. But Halfdan has no clue that they’re in fact childhood friends, and the two women agree to keep Halfdan in the dark for a little while longer. When Märthe is on her way out of town, Halfdan sees an opportunity to replace his jealous wife with an actress in order to impress Karina. Karina tells Märthe about the incident and they decide to teach Halfdan a lesson.

A travelling circus experience bad times and starts to produce a miracle cure based on cake flour and sugar.

Count de Faber is working on a new type of explosive, but finds out that Professor Plussman has beat him to it. After an unsuccessful attempt to acquire the formula from Plussman, he breaks into the professor's house, steals the formula, and kidnaps his daughter, Mary. He takes her to Carlsten Fortress.

Young Allan feed on petty crime and theft. He spice his life by scaring people with stolen dynamite.

Carsten Berg returns home after 15 years abroad. He gets into a fight with his father, who dies of a heart attack. Carsten must take over his fathers business. He is informed that he is suffering from an incurable disease.

Anderssonskans Kalle is the horror of the neighborhood due to his mischief.

Violet, employed as a maid of Count Berkow, is wrongly accused of burglary of the Count. After an unjust prison sentence Violet travels to America.

Calle Lundgren is a shop assistant and spends most days as errand boy for Nisse and flirting with the ladies, especially a girl called Amanda. One day Calle read in the newspaper that he is the sole heir to a Swedish American millionaire who has just died.

Jean Bazard and the lawyer Alphonse Car are rivals of the beautiful Rose Legrange, but Bazard wins her love. Carrel is more successful in his shameful economic speculations together with banker Leroux, who is Roses's uncle.

Mother-in law comes to visit, which means mayhem at home....