Katri Vesa, a young woman from Helsinki, has fallen in love with Erkki Kovalinna, an ambitious young official at the Ministry of Foreign Affairs, and is prepared to do anything to win his affection. At her friend's suggestion, Katri leaves the city to make Erkki miss her and finds her life's mission in the countryside in Kari Tuulos, a scientist who lost his sight in an explosion.

Hillevi Lagerstam
as Katri Vesa

Tapio Rautavaara
as Kari Tuulos

Ekke Hämäläinen
as Erkki Kovalinna

Lasse Pöysti
as Seppo Vesa

Kaarina Vahtonen
as Maija

Aino-Inkeri Notkola
as Mrs. Vesa

Helvi Aunio
as Aunt Essu

Rakel Laakso
as Mrs. Virtanen

Olavi Reimas
as Risto

Tarmo Manni
as Jaakko Vihma