Marjatta lives in poor conditions in Tampere with her widowed father Arttu who works as a factory worker. Marjatta gets to know engineering student Pauli whose constantly worsening mental health problems and jealousy become a threat to Marjatta and her close circle.
Eeva-Kaarina Volanen
as Marjatta Salmela
Jussi Jurkka
as Pauli Haantie
Edvin Laine
as Arttu Salmela
Veikko Sinisalo
as Unto Eskola
Elsa Turkainen
as Saariska
Eero Roine
as Alpre
Sirkka Lehto
as Kirsti
Aku Korhonen
as Doctor
Nestori Sarri
as Drunk
Aarne Laine
as Evert Haantie
Kristian Nevalainen
as Martti
Maikki Länsiö
as Worker (uncredited)