The heart of the film is the Koppelo family. The Matriarch begins when a thirty-year-old peaceful existence in Lotokka ends the family is evicted! Martta, the matriarch of the family, faces a big challenge. Her family has been through some rough times, and it is her responsibility to lead them to Lieksa, a town of dreams. The Koppelo family love, fight and make up fiercely. Martta´s sons are about to slip into the world of crime, and the situation is further complicated by a dumb young man who the family picks up on the road and whose identity is a mystery.
Travelling in a caravan of cars, the Koppelo family sets up camp next to a lake, and Martta finally has time to take a break. But not for long, as evil is already on its way. Laszlo, the criminal and the black sheep of the family, suddenly arrives and notices Lara, Martta's beautiful daughter who has grown into a beautiful young woman.