Not by any means a truly comprehensive scientific study, this film nevertheless conveys in a popular fashion facts as to the development and habits of various types of apes. Skillful direction and interesting commentary almost succeed in transforming the film into an “entertainment” piece.
According to his last will, the rich American uncle of vacuum cleaner salesman Peter Pett only leaves his 5 million dollars to Peter if he is married happily.
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.