Pepe Nietnagel and his fellow students of the Mommsen school come up with all kinds of ideas to get out of doing any actual school work. This includes simulating suicides, setting off the air-raid sirens and abusing the school director's new broadcasting system. They succeed in sending their teacher to a sanatorium and get a replacement that turns out to not be so bad after all.

Young photographer Andy is commissioned to take advertising photographs of the film star Hanna Peters. She is on holiday, and to his confusion and bewilderment Andy finds that her twin sister works in Hanna's hotel. The comedy of errors that arises keeps Andy on tenterhooks until he finds his true love in sister Renate.

Aspiring singer Susanne takes over for ham actor Viktor at a small cabaret in Berlin where he works a woman impersonator and per chance she's discovered by an agent, who thinks, that she really is a man. She becomes famous, but her situation becomes troublesome, when she falls in love with Robert.

The dreaded slave hunter Abu el Mot attacks the caravan and abducts the travelers, including Kara Ben Nemsi, his faithful companion Hadschi Halef Omar, the quirky scholar Ignaz Pfotenhauer and the English explorer Sir David Lindsay. Kara Ben Nemsi manages to escape with Hadschi Halef. To get help, they set off on a long journey full of impassable adventures...

In the ruins of Nim Bis Rub, in Babylon, is a band of smugglers den. There goes Nemsi Kara Ben and his faithful friend. One night, while camping, they surprise three smugglers and, after a hard-fought struggle, manage to reduce them and take possession of the rings that are their trademark. Then they go to Baghdad and there, a character who wears a ring of smugglers, which has seen Kara's, confuses him with one of the band.

A young woman pharmacist, Eva, is very friendly with a children's doctor, Dr. Fröhlich. Eva's small nephew Peter lives with her and she is often thought to be his mother. A number of amusing and more serious misunderstandings arise from this situation...

The ghosts of thieves help a beautiful young countess save her inherited castle from modern developers in this comic horror/musical.