The adventures of smart soldier Gustav Diestelbeck include managing his superior officer, competing for the canteneer's daughter, evading punishment for discipline faults and hosting Prinz Willibald during his visit to the regiment.

When Julius Seipold's wife Regine becomes suspicious that he is having an affair after discovering incriminating evidence, Julius manages to convince her that it is his innocuous assistant Max who is having a relationship.

In the very old-fashioned 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.

The permanent lack of money is giving Kibis a real headache. The rent has been overdue for seven months and now he is threatened with eviction. Then one day he comes across the brochure "How to become rich and happy"...

During the shooting of a jealousy scene on a soundstage, one actress is murdered. Due to the fact that the male star of the movie had a relation with the victim and the female star is now his fiance, he is suspected by the police.