Vain laulajapoikia

At the request of author Zacharias, Fredrik begins composing an opera, inspired by a summer walk in Backas, Espoo. He falls in love with Ebba, who sings like a nightingale about a young mermaid on the shore of the lake. Fredrik's infatuation causes a scandal in Helsinki society circles, as he is married.

Corporal Möttönen is an incomparable humorist whose easygoing banter brings a pleasant atmosphere to the unit. The smooth-talking man from Savo is assigned to the entertainment troops at the front.

Unemployed Anna leaves her son Olavi to be raised by Antti, a shoemaker. When the shoemaker dies, Olavi is sent to an orphanage, from which he runs away with a cat and a violin under his arm. After many misfortunes, the talented Olavi becomes a student of a professor at a music academy and travels to London to compete in an international violin competition.

Erkki, a journalist, suffers from epilepsy and agrees to be sterilized in order to marry his fiancée Helena. Unhappy about his infertility, Erkki begins to drink more and more, and eventually Helena returns to Helsinki to continue her studies. There she meets Associate Professor Sysikorpi, who falls hopelessly in love with her.

A stepfather forces Liisa, an orphan girl, to leave her small town and go to Helsinki alone to sell brooms. With the help of a friendly vagrant named Maailman-Petteri and a homeless dog named Musti, Liisa prevents a burglary, and a kind police officer named Rinne and his wife help all the homeless people start a new life.

Bohemian painter Lasse receives a million-dollar inheritance from his aunt who has moved to Australia, on condition that he finds a permanent job, a spouse, and an heir within a week. To top it all off, Lasse must find the will, which unfortunately disappears inside a framed movie star poster belonging to his roommate Jop.

After ending up in an orphanage, Olavi sets out to find his mother. While playing the violin on the street, his exceptional talent catches the attention of a music school professor, who takes him under his wing.

Astrid, the mistress of Metsäkulma, hires a job seeker named Aaltonen as a farm manager when her mentally ill husband Alfred is unable to work. Old Hermanni helps Astrid and Aaltonen as best he can, but jealous Alfred begins to persecute them.

Tornionjokilaakso at the end of the 19th century, Paloniemi's landlord Heikki tries to get out of his financial difficulties with the help of his son Juhan and Nuottaniemi's only daughter Hanna. The happiness of Hanna, who has fallen in love with Antti of Rehti Koskenalusta, is threatened by the evil and dangerous Korpikoski.

Wager is Count Mauritz Armborg, the young master of the estate. Linnanheimo plays Katariina (Catherine) the nanny to Mauritz's nieces and nephews. The two fall in love and decide to escape to Italy via Denmark where they have planned to get married. There are always complications because Mauritz's grandmother doesn't want him to marry below him - she has decided that Mauritz is to marry the Swedish beauty, Ingeborg Liliecrona.

Kaarina, an orphan girl raised by Taneli, the innkeeper, notices that her friendship with her childhood friend Antti is turning into romance. Henrik, the patron, also has his eye on Kaarina.

Poor but ambitious country girl Hulda arrives in the country's capital and gets a job as a maid for a bachelor Member of Parliament, Judge Soratie. She works hard, never loses her common sense, and starts taking evening classes. Keeping her studies secret from her employer for years, she eventually graduates from the university and becomes candidate in the parliamentary election, stressing women's and working people's rights. Romance with Judge Soratie finally ensues.

Pekka and Pätkä work as inventors. Pätkä accidentally takes a photograph of bank robbers, who begin to track down the photographer. Soma Koivu, the former secretary of the property manager Kiivas, and police officer Antero Kangas help Pekka and Pätkä catch the robbers at a film studio where Pekka is working as a stand-in for Superman.

Pharmacy student Aina Zinck and doctor Yrjö Kallio are a young couple who are drawn into patterns of jealousy in their small Finnish town.

Poke and Pena, two private investigators in debt, see an advertisement in the newspaper about Dr. Peltonen's disappearance and the promised reward for finding him. The boys retreat to investigate the case in a house they have rented in the countryside, which happens to be next door to the criminal gang that kidnapped the doctor. The gang's boss, 'Synkkä' (Gloomy), and his sister, 'Kaunotar' (Beauty), try to distract the boys by hiring them to guard their villa.

Katariina, an orphaned girl from the north, travels to Helsinki to live with her distant relative Mauri, who has been appointed her guardian. The unpretentious child of nature irritates, amuses, and charms Mauri, who is accustomed to high society, and his bachelor friends.