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.

While Leena is spending time at a health resort in the countryside, her husband Esa, an accountant, finds himself falling for Kirsti, who works at his office. The breakdown of their marriage also stirs up feelings in their adult children, who begin to question their own ideas about relationships.

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.

After a robbery, a gang of bandits led by Kulaus-Ramperi flees Helsinki on the Kuopio express train "Lentävä kalakukko" and tries to hide in the crowded train filled with music and singing. The cheerful conductor Saastamoinen protects the motley crew traveling on the train.

The boyish, temperamental chemistry student Elsa Kassel disapproves of her mother and sisters running after men, but when she hears that she's referred to as "ugly Elsa", she takes on a transformation. The new, charming Elsa tests her attractiveness on men and causes confusion all the way to her mother's new groom, Professor Harjula.

Young woman flies to Lapland together with her father and his new female friend whom the daughter dislikes. On a lonely skiing-trip across the vast wilderness, the young lady ends up in a shack inhabited by two research engineers and a funny old Lapland man who sees peculiar dreams.

The old man at the Eirtola house warns the new maid Eriikka about the fate of Jenny, the summer girl. Jouko, a university student from Eirtola, arrives home for the summer and begins to court the pretty maid. At the cattle shed, Eriikka finds a box, the contents of which she examines together with Pastor Tuomo Ahomaa. The tragic fate of Jenny, the summer girl, is revealed.

Violinist Eero Viida's wife Ruth has left her husband but wants to return. Eero no longer loves his spouse and rejects her advances. Ruth shoots her husband, who ends up in the hospital. Eero becomes attached to Marja, a student of his accompanist Pallas, which drives the jealous Ruth to take extreme measures.