Vienna during the fin de siecle. Farmer's daughter Anuschka has to sell the farm after her father's death to the rich but mean farmer's wife Nowarek and her friendly son Jaro. Anuschka goes to Vienna and starts to work as a housemaid until she is wrongly accused of theft.

A scientist discovers that there's gold on the moon. He builds a rocket to fly there, but there's too much rivalry among the crew to have a successful expedition.

A long time ago, John Miller emigrated from Germany to America. Now he wants his daughter Elinor to get to know his old homeland and sends her off to Heidelberg, where she is to study for a year. Pretty soon, the pretty young girl is in demand among the young men in town. Especially the students Dahlberg and Bornemann try to win Elinor's heart.

A series of stupid coincidences causes the young Munich painter Paul to convert his uncle's castle into a hotel for four weeks. But he can't complain: business is good and he has plenty of guests. For exmple, there's Theo Muller with his revue troupe. For reasons of "sound", Muller calls himself "Miller", which, of course, causes more confusion. His daughter, the beautiful Evelyn, is confused with Mabel Miller, who has come to the hotel on a mission for her filthy rich father ... namely, to estimate the worth of the castle.

An unattractive secretary is hired so the men in the office will focus on their work, but comic complications ensue.

After a detective is assaulted by thugs and placed in an asylum run by Professor Baum, he observes the professor's preoccupation with another patient, the criminal genius Dr. Mabuse the hypnotist. When Mabuse's notes are found to be connected with a rash of recent crimes, Commissioner Lohmann must determine how Mabuse is communicating with the criminals, despite conflicting reports on the doctor's whereabouts, and capture him for good.

Sherlock Holmes and Dr. Watson look into reports that a huge, vicious hound has killed Lord Charles Baskerville and that Lord Henry Baskerville is the next to be killed.

Young Beatrice has trained as a dancer against her father's wishes. At the circus, she meets the famous tamer Ruda and falls in love with him. But the next day, Ruda disappears with the circus. Beatrice gets a new engagement with another circus and makes a career as a dancer among live tigers.

Country Dr. Robert Koch is desperate: a tuberculosis epidemic is decimating the children in his district and no one is able to do anything about it. Every fourth child is already sick and the parents must helplessly watch as their young ones die. Now Koch is undertaking to find the cause of the tuberculosis --- something he has already been working on for years --- which has been causing this plague of illness. His work is made more difficult by envy; for example, that of his teacher, who was wounded defending his honor. But his greatest obstacle is the famous Berliner scientist and Reichstag deputy, Privy Councilor Rudolf Virchow: He is extraordinarily skeptical of Koch's theory, that the cause for tuberculosis is a bacteria.