Passion Flower Hotel (also known as Leidenschaftliche Blümchen, also known as Boarding School) is a 1978 coming of agecomedy film directed by André Farwagi. It is a liberal adaptation of the 1962 novel Passion Flower Hotel and stars Nastassja Kinski as one of the schoolgirls, in her third feature film.
Plot
Summer of 1956. Curious American girl Deborah Collins (Kinski) arrives at the St. Clara's Boarding School in Switzerland. The school headmistress wants to use Deborah as a tool to discipline the other girls but she is revealed to be more experienced and daring in sexual matters. The girls now plot to lose their virginity with the boys in the private school across the lake. After Deborah finally has sex with Frederick Sinclair (Sundquist) in a romantic setting, she is expelled and the other girls feel that everything will be so sad and boring without her. She informs the headmistress that she will tell everyone that the school is run by disreputable teachers if she expels the other girls. She departs on a train after kissing Frederick goodbye.