In an occupied country, the people rise to throw off the occupants. This includes Jens the farmer and his three sons who successfully perform sneak attacks on the invading army.

Edvard Persson
as Grimme-Jens

George Fant
as Ored Jensen

Eva Henning
as Kerstin

Tekla Sjöblom
as Cilla

Oscar Ljung
as Per Jensen

Åke Ohberg
as Nils Jensen

Carl Ström
as Helsing

Sven Bergvall
as Swedish colonel

Bror Bügler
as Lieutenant Cronhjort

Gunnar Sjöberg
as Långe-Tuve