Ilona, a young teacher, arrives in a village in Tavastia. She and Aarne, the wealthy owner of the Niskavuori farm, who is frustrated with his marriage, fall in love. The relationship becomes a public secret. Aarne's wife Martta, who owns half of Niskavuori, wants to hold on to her husband until the last. For Loviisa, the matriarch of Niskavuori, the most important thing is the reputation and honor of the family.