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. To put an end to Schlieker's scheme, Rosemarie asks her godfather, Professor Kittgus, for help. But when Kittgus confronts Schlieker, the farmer not only proves to be unreasonable but also violent...