The movie is set in a prestigious Swiss boarding school (despite the title) run by the strict . The plot follows six rebellious and high-spirited Swedish students—Greta, Inga, Kerstin, Lil, Astrid, and Selma—who turn the school upside down with their mischievous pranks. Key story elements include:
: The girls engage in various antics, such as teasing their gym teacher, Martin, and playing tricks on local villagers. The movie is set in a prestigious Swiss
: A famous recurring joke in the film involves one of the girls making "modifications" to their bicycles to make their rides more "enjoyable". Cast and Production such as teasing their gym teacher