The ambitious scientist Franz Walter doesn't hesitate when he is promised a professorship at the university. He immediately accepts, pledges absolute loyalty to the system and agrees to work for the GDR's foreign intelligence service until he can take up … Lars Eidinger, Devid Striesow, Luise Heyer, Paula Kalenberg, Peter Benedict, Victoria Trauttmansdorff, Andreas Schröders Added on HBO 2022-09-07.