In Germany, jazz had a voice: Inge Brandenburg. This is the story of a woman in the 1950s and 1960s, when there was no place in Germany for self-assured women with international aspirations, a dramatic performance style and an emancipated attitude to love.
The bellboy aspires to be a private eye and is reading a book to learn the trade. The 'suspicious' activities of women in the hotel give him a chance to practice his skills. Surprise! They are representatives of a lingerie manufacturer. To investigate further, he poses as a potential buyer, and the women take turns modeling their wares.
Consul daughter Anne Stülcken wants to take her fiancee undetected under the magnifying glass and therefore slips in her father's villa in the role of a maid.