It seems as if time has stood still at the "Sophianum". Or is that what is called tradition? The four friends remember their own school days, and this left deep scars on Miriam. The dispute between her and Joachim over custody ends up in court, and Miriam realizes how hard it is to always do the right thing. Doris faces her mother and finds out that with a mother like Berta you quickly reach your limits. Inès can't believe that Etienne just fled. And Christiane and Philipp are targeted by the investigators.