This film was mainly shot in the Japanese skiing resort Hokkaido in 1937-38 and was intended to create support for the coming winter olympics of 1940 in Japan which however were cancelled because of the Japanese-Chinese war.
A cocky young Marine who's alienated many of his fellow soldiers with his smart-aleck, wiseguy attitude gets a "wake-up call" when his unit comes under attack by bandits.
The vassals of the Asano clan, who surrendered the castle & became wanderers, deceive the enemy and the public, wait for an opportunity to avenge their master and his family.
The underage Rosemarie is still too young to run her inherited farm by herself; but she's more than aware that her foster father and the farm's administrator, the farmer Schlieker, is constantly skimming from the farm's finances to line his own pocket.