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.
The son of a wealthy farmer loves a simple maid, for which he's booted out of the house by his father.
Three boys steal a sailboat and sail away for a summer adventure on Lake Mälaren. Based on Sigfrid Siwertz's novel.
