Desc: Heimliche Liebe - Der Schüler und die Postbotin: Directed by Franziska Buch. With Kostja Ullmann, Marie Bäumer, Wotan Wilke Möhring, Rolf Kanies. A 17 year old boy falls in love with a 37 year old woman. As if this wouldn't be enough they are of different social classes and she is married.