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.

Based on a 1926 novel by Georg Mühlen-Schulte.

Film by Heuberger.

Detective Hans Braumüller is trying to untange the conspiracy behind a bank robbery.

German war film. This film is considered lost.