The film shows the diverse life in a pond that is under nature conservation (biotope): rare plants and animals form a community. Algae, plankton, insects, birds, frogs, and snakes. Microscopic images of microorganisms.

While in France, the daughter of Copenhagen's police chief meets a fascinating detective who is seeking a criminal professor.

This film claims that the Germanic tribes predated the knowledge of the ancient Egyptian pharaohs, then compares these findings with the contemporary German regime of Adolf Hitler.

Nazi propaganda film showing the development of the German navy's submarine fleet.

Gabriele is engaged to Rainer who goes to war in 1914. When her father loses all his money she agrees to marry the affluent Robert. Then she is notified that Rainer has been wounded, is dying and has asked to see her one more time.

A cunning jewel thief has been giving Scotland Yard Inspector Grey a hard time for a long time. Nobody suspects that the man keeping the police on their toes is the likeable Roger Edgeston, the son of the Duke of the same name. When the shrewd crook meets the enchanting Jennifer Lindsey on a cozy summer night, fate takes its course, as the charming young lady also engages in criminal activities in her spare time and acts as a blackmailer. In the course of the evening, the duke's son is forced to realize that love is not only blind, but also careless when it comes to his illegal activities.

An actress used to playing only bit parts becomes the center of attention when a movie director buys her life story as a film project, she is now faced with a psychological crisis.

The focus of this wartime propaganda film from 1940 is the foreman Keith, who works at a Polish sawmill, not far from the German border. It is 1939 and the War is fast approaching. The Polish workers at the sawmill revolt and kill the mill's German owner, as well as threaten their German colleagues. Keith flees with the children of his dead boss and joins other German refugees on their way to safety across the borders of the Reich.

A farmer shelters his brother, a wood carver, from the police who want him for the murder of a local official. In a subplot, a mountain girl finds her soulmate in a young forester.

The latest woman marrying into the Tanhoff family has to overcome the ancient curse, that she will die giving birth.