Fisherman Eerik Storm is in danger of losing his home and agrees to get money to be piloted by smugglers. When the customs officers surprise the smugglers, a chase and a firefight ensue, in which the customs officers are confronted with water.
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.
Medical student Antti Ahonen, who is fighting tuberculosis, finds himself in the middle of a love triangle with his friend Heikki Huhtamäki and his crush Helmi Hirvinen.