The nation seemed poised at the climax of some cinematic thriller. “Tension was at the highest pitch,” Gisevius wrote. “The tormenting uncertainty was harder to bear than the excessive heat and humidity. No one knew what was going to happen next and everyone felt that something fearful was in the air.” Victor Klemperer, the Jewish philologist, sensed it as well. “Everywhere uncertainty, ferment, secrets,” he wrote in his diary in mid-June. “We live from day to day.”