An architect, who has recently married a new, younger wife, tries to re-connect with his ex-wife, who is being courted by another man.

Justina urges Pete and Runt to get a job. As a result they meet an orphan boy named Otto while working as a park nannies. They offer to shelter the boy, but at the same time the father Antti, who has returned from the sea, is looking for his son together with Miss Raikas.

The streets of Helsinki, Finland, at night. Violence mixed with incidents and everyday life. Reported by police officers on the graveyard shift.

Schoolboy Klaus is convicted of theft and sent to prison. At his release Klaus feels that his life has changed a lot. Despite all his hardship and difficulties he keeps up his studies under the supervision of the grim Master Kahari.

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.

Factory manager Risto Järviö is under his mother's thumb. When his mother forbids him from dancing with factory girl Seija Vaara, Seija decides to make anonymous phone calls to Risto to annoy his controlling mother. Risto falls in love with the voice on the other end of the line and begins to make major changes in his life.

Pete and Runt set up a kindergarten at their home, and unknowingly end up taking care of a kidnapped baby.

Heta, the strong-willed daughter of the Niskavuori family, who is pregnant, marries Akusti, a farmhand, and remains bitter toward Santeria, who broke her heart. Heta and Akusti begin their life together on the modest Muumäki farm, where they are assisted by their loyal maid Siipirikko.