Toivo Kärki

An idle work crew is ordered to go and heat up an abandoned house before it is demolished. A road sign pointing in the wrong direction leads them astray, and the men end up at an empty hotel, where they begin a program of evening entertainment led by Severi Suhonen.

Aging professor of mathematics completes his life's work, a research project that has taken him decades, and climbs up from the boiler room (his study) and back to real life. He can hardly recognize his rebellious teenage kids and materialistic wife who hardly seem to notice his existence. The only person who is interested in the professor's work is Marja, his son's girlfriend and freshman at the university. An innocent infatuation flares up between the old man and the young girl, while the professor's family is only interested in the prize money awarded to the professor by an international jury for his academic achievements.

Pirkko Mannola and Esko Salminen play young pop stars of the same name, who develop a secret romance that is kept hidden from the other musicians in the pop orchestra. Between musical scenes, Pirkko introduces Esko to Ville Salminen, Toivo Kärki, and Reino Helismaa, among others, and gets him a spot in a big pop music show.

Pekka Puupää and Pätkä, who return to Helsinki from an unsuccessful variety show tour, are forced into refresher training, where they are trained as frogmen. During the diving exercises, the friends encounter the mermaid Helmi, whom they help into the bathtub at home, to Justiina's shock. The friends, who have become civilians, eventually end up on a plane bound for Suez, being cornered by UN soldiers.

Traveler Severi travels to Helsinki to enjoy some culture, where he meets Sinikka and Simo, who run a buying and selling business. At a customs auction, he buys a painting that businessman Kehveli and his assistants also have their eyes on.

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.

Eemeli, a lazy farm boy, is sent out into the world by his parents due to poor potato harvest forecasts. On his way to the logging camp, he meets Tommi, a man from Helsinki who sells razors and is headed to the same destination. At the logging camp, the loggers and Eemeli perform several musical numbers and flee from Isabella, the cook, who is hungry for men.

The story is set in Helsinki's revue theater Punainen Mylly, run by Jalmari Haapala with Erkki Pajula as its lead singer. Between performances, dancer Kaarina and doctor Kalle are offered the chance for romance, despite some misunderstandings.