The students at a private girls' school are unaware that the school's doctor is secretly using a machine to extract the energy from the young girls. The students at a private girls' school are unaware that the school's doctor is secretly using a machine to extract the energy from the young girls. The students at a private girls' school are unaware that the school's doctor is secretly using a machine to extract the energy from the young girls. The students at a private girls' school are unaware that the school's doctor is secretly using a machine to extract the energy from the young girls.