Based on Finnish mythology, this movie traces the exploits of Lemminkäinen as he woos the fair Annikki and battles the evil witch Louhi. Louhi kidnaps Annikki to compel her father to build for her a Sampo, a magical device that creates salt, grain, and gold. When Lemminkäinen tries (and fails) to recover the Sampo, Louhi steals the sun, plunging the world into frozen darkness.
After returning home from being a prisoner of war Viktor gets a job from his friend Rolf with whom he had served. The men trust each other until Viktor meets Rolf’s wife Astrid.
Esko is going to a neighboring village to marry Kreeta after her father arranged the marriage with Esko's father. Esko takes Mikko as his travel companion and that's where Esko's ordeals begin.
Maria Toikka is called to testify in a trial in which her husband Ville is charged. The assurances show the events that led to the trial from the previous fall, when Patron Oppman begins to approach Maria, offering her money in return for services.