During the Finnish Civil War in 1918, guerrilla leader Karunka, the "White Devil", wreaks havoc on enemy forces until he is captured. With help from Eliina and the boy Jorma, Karunka and the Whites eventually turn the fight to their advantage.

Yrjö Hirviseppä
as Karunka

Lisi Carén
as Eliina

Jorma Vaajakallio
as Jorma Aira

Solveig Wohlström
as Vappu Aira

Lilli Carén
as Naissoturi

Oskari Oka
as Jäykkä

Bertel Nordenstreng
as Jurtta

J.V. Leino
as Urho Jänisvaara

Hannes Seppänen
as Pentti