Aarne marries Martta because his mother tells him it is his duty as the eldest son to marry a wealthy girl. However, the attractive school teacher Ilona arrives in the village and causes complications when Aarne falls in love with her.
Pharmacy student Aina Zinck and doctor Yrjö Kallio are a young couple who are drawn into patterns of jealousy in their small Finnish town.
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.
