Aarne, the son of Laamanni Horn, who is studying law, falls in love with his father's office assistant Helena, but due to his parents' prejudices, he wants to keep his cross-class relationship a secret. Aarne finds himself presiding over his first court case in conflicting circumstances, as he is assigned to judge Helena.

Ansa Ikonen
Helena Talpia

Tauno Palo
Aarne Horn

Aku Korhonen
Gran

Yrjö Tuominen
Julius Horn

Irja Elstelä
Ellen Horn
Kyllikki Väre
Karin Berger

Wilho Ilmari
Antti Peltoniemi

Jalmari Rinne
Porras

Ossi Elstelä
Hannes Berger

Hilja Jorma
Anna Berger

Kaarlo Angerkoski
Dr. Kaukola (uncredited)

Aino Haverinen
Heta Peltoniemi (uncredited)
Irja Kuusla
Mari (uncredited)
Arvo Kuusla
Sipo Ohramaa (uncredited)
Eero Kilpi
(uncredited)