Old Virtanen is a respected night watchman at a textile factory and a single father to his daughter Aino, who is about to graduate from high school. The heartless factory owner Kuusela fires Virtanen, who is forced to look for a new job. When Aino, who is in love with the manager's son Veikko, disappears after her graduation party, her father, who has fallen ill with worry, is overcome with despair.

The film tells the story of a wandering barrel organ player's daily, tragic life in the back streets of the Finnish cities.

Based on the Bertolt Brecht play, the movie follows the farmer Puntila, who when he's sober is a real pig but whenever he gets drunk becomes very generous. Puntila is trying to get his daughter to get married, but the problem is that his drunk self wants her to marry another man than his sober personality wants.