The young, good-looking Gina can't find work in her profession as an interpreter. Being idle is not her thing. To escape the curse of being overqualified and at least get a job as a housekeeper for a manager, she has to disguise herself. A bit ugly, a bit blonde and a bit stupid. Gina succeeds so...
Late at night, a guest checks into the small hotel "Zum Spreewald-Idyll". The man seems suspicious. And he becomes even more suspicious over time. That's why they don't just call him "Katulla", he's "A certain Katulla". And he is not suspicious because he is suspected of evil, quite the opposite:...