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.

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.

The accounting department of an insurance company is looking for a new secretary. To prevent a repeat of the eternal love affairs between the employees, the head of personnel -- no doubt taking advantage of the not-yet-existent anti-discrimination laws -- is seeking the ugliest troll of a woman he can find to do the office typing. And he believes he's found her in the nondescript Lotte. But the bookkeeper Fritz is deeply offended by such mean, discriminatory practices. He decides he's going to correct the boss' disgusting behaviour by going one better: to prove that even ugly people deserve to reproduce, he's going to hit up on Lotte. And obviously, this leads to all sorts of problems and funny situations...

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 oldfashioned town of Ostend suddenly 13 suitcases are delivered to the hotel, with a note, that O.F. will be here soon and needs 6 rooms (the hotel just has five). This event, probably the biggest in 300 years, starts a small wave of modernisation, yet everybody is wondering who O.F. is. Journalist Stix and architect Stark have an idea how to use this event. They proclaim, that O.F. is a former citizen of the town, who became a millionaire abroad. They tell their fellow citizens that the town still needs modernisation, like better hotels, nightclubs, shops, etc. And soon, Ostend is a boomtown, then a capital. The architect, responsible for the new buildings is finaly allowed to marry the mayor's daughter, while Stix marries the cabaret star and the widowed mayor his new secretary. The only problem is, O.F. hasn't shown up, while finance experts from all over the world are trying to solve the depression problem.

a music movie by Heinz Paul