With rumbling stomachs and no engagement, musicians Pit, Max, Bill, Gus, Eddi, and Giorgio are on their way to visit their Uncle Hermann, who runs a sports school on Lake Wörthersee. Along the way, they meet the charming teenagers Susi, Evi, Sieglinde, Inez, and Francis, who are on their way to a girls' boarding school. A strict boarding school where male visits are, of course, frowned upon. So the musicians dress up in drag and visit their friends disguised as 'aunts and cousins.' And, as expec...