In northern Finland in the fall of 1916, Saima Niva rescues a man drifting in the river, who turns out to be a German lieutenant Braun. Braun and his six comrades have managed to escape the prisoner of war at the Muurmann railway station, but the lieutenant has had to get rid of the lost group. While Braun is recovering, under the good care of Saima, Niva's neighbor and henchman of the gendarmes, the greedy policeman Simpura, gets a tip about the refugees camped in the desert.
