Petra and Matthias are a bad marriage. He works as a janitor at the school of anatomy. Petra has a bitter and uncompromising character, so that their discussions with Matthias are constant, but she is careful not to ever lift his voice. He, however, does not care who tell and shouts without hesitation. The neighbors, who are some gossips are at the end of the street everything that happens in the house of Petra and Matthias.
