Christine
Christa is a frigid young woman. Her dad leads a film company. He and his wife engage a sex theutist (who uses the method of Masters and Johnson, at least he says so), and under the guise of being a nephew from USA, he enters into the family. When assaulted by JPA, however, Christa finds she enjoys sex. She decides to play a game with the nephew - who has fallen in love with her - by refusing him and acting in a provocative manner...