After Nazi Germany invades Poland in September 1939, Russia attacks Finland two months later. Finnish reservists leave home and go to war. Brothers Martti and Paavo Hakala, farmers from the municipality of Kauhava in the province of Pohjanmaa/Ostrobothnia, serve in a Finnish platoon.

Taneli Mäkelä
as Martti Hakala

Vesa Vierikko
as Jussi Kantola

Timo Torikka
as Pentti Saari

Heikki Paavilainen
as Vilho Erkkilä

Antti Raivio
as Erkki Somppi

Esko Kovero
as Juho Pernaa

Martti Suosalo
as Arvi Huhtala

Markku Huhtamo
as Aatos Laitila

Matti Onnismaa
as Veikko Korpela

Konsta Mäkelä
as Paavo Hakala