The son of Viking Harald is left behind in his village with women and children, when his father joins a group of rebels. They are revolving against the king, but the king takes revenge by overtaking the village and tyrannizing the population.

The teenage Birgitta discovers the game between men and women and she turns from a shy 12-year old to a provocative 15-year-old, seducing the men she meets on the daily train ride.