Secret Love: The Schoolboy and the Mailwoman (2005)
Original title: Heimliche Liebe - Der Schüler und die Postbotin
Secret Love: The Schoolboy and the Mailwoman is a 2005 German-language drama movie directed by Franziska Buch, with a running time of 1h 32m. It stars Kostja Ullmann, Marie Bäumer and Wotan Wilke Möhring.
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.