Henry Pleß

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.

In the spring of 1905, the water conduit project in the Canadian city of Canitoga is set to be completed. For years, the completion had been marred by sabotage. Engineer Oliver Montstuart commands the last blasting operation. But again, the explosive charge is too large and thus, further construction is forestalled again. When Montstuart confronts foreman Westbrook, the foreman threatens him with a knife. In self-defence, Montstuart shoots him. Now, he has to flee.

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

Mysterious murders committed by a criminal have kept the public on their toes and the police have mistakenly accused an imposter of the crimes.

By pure chance, Jessie and his four jazz musicians are hired to play at the cabaret theatre “Trocadero”. Unfortunately, she knows nothing about music and it doesn’t help that all four musicians are in love with her. Jessie doesn’t reciprocate their feelings, because she has a thing for Martin. Unfortunately, Martin believes that Jessie stole his car … and so, right before the premiere at the cabaret, she ends up in jail.

In the very old-fashioned town of Ostend suddenly 13 suitcases are delivered to the Grand Hotel, with a note, that O.F. will be here soon and needs 6 rooms. This event, probably the biggest in 300 years, starts a small wave of modernisation, yet everybody is wondering who O.F. is.