Lasse is a car salesman who has vowed to never get married. He wakes up hung over one morning with a wedding ring on his finger and a nude woman in his bed.

Laila is an innocent Lappish girl and the only daughter of a reindeer herder. During World War II, Laila rescues a crashed German fighter pilot, Hans, and the two develop warm feelings for each other during his convalescence. Years later, after the war, Hans returns to Lapland as a freelance photographer and manages to lure Laila to run away with him to the capital, Helsinki, to start a career as a photo model, much to the chagrin of her traditional father, Aslak. After initial happiness, however, Hans abandons Laila, and the decadent lifestyle of a big city sends her life into a downward spiral.

Long-time cohabiting couple Petteri and Liisa wake up with a terrible hangover and realize to their horror that they got married the night before. Throughout the day, the couple argues and reminisces about their previous relationships, but by evening they are ready to reconcile.