Eetu, a wealthy homeowner, attempts to seduce Leena Kosken. But when austere log boy Erkki meets her at midsummer dances, Leena falls in love with him instead. Jealous, Eetu turns the men of the village against Erkki and the Tukki people.

Eero Luotola is a pilot operating in Kalliosaari, whose crush is Annikki, who lives in the same village. They have known each other since childhood and have promised to get married at some point.