A scientist, Professor Jakob ten Brinken, interested in the laws of heredity, impregnates a prostitute in a laboratory with the semen of a hanged murderer. The prostitute conceives a female child who has no concept of love, whom the professor adopts. The girl, Alraune, suffers from obsessive sexuality and perverse relationships throughout her life. She learns of her unnatural origins and she avenges herself against the professor.

A nobleman gradually falls in love with a woman he was forced by relatives to marry, against his will.

When both husband and wife find romance outside their marriage, it's a shock to everyone. Robert and Annemarie break up to elope with their respective lovers, only to be thrown together again when they show up at the justice of the peace.

Prince Klemens von Metternich orders Friedrich Gentz, one of his aides, to keep the Duke of Reichstadt---Napoleon Francois Joseph Charles---son of Napoleon and heir to the French throne, from thinking about French politics. Gentz enlists the help of ballerina Fanny Elsser, all the rage in several European capitals, to keep the Duke distracted.

Actors Liselotte Schaak and Erik Ode travel from Weimar to Karlsbad in an early version of the Volkswagen Beetle (KdF-Wagen der Nullserie).

When Ilona visits her married friend Otti, she is just delighted to discover that the man she likes is not other than Otti's brother-in-law, Paul. As he is in need of a maid, she disguises herself as such to try to enamour him.

A man swallows a diamond - and suddenly all people around him change their attitude towards him.