The Allied forces gain the upper hand over Germany. Standartenführer Stirlitz persuades Pastor Schlag to cooperate with the authorities.

After the death of the radio operator, Stirlitz is left without communication with Moscow. The intelligence officer finds out who from the top of the Reich is negotiating with the West.

Stirlitz makes an appointment with Hitler's secretary, Bormann. The spy reveals his identity to the brother of his deceased comrade, Pleischner.

Stirlitz orders Schlag to contact pacifists in Switzerland. The Gestapo gets hold of a transmitter with radio operator Kat's fingerprints.

Pleischner goes to Bern with a report for Moscow from Stirlitz. Gestapo chief Müller decides to secretly take fingerprints from employees.

Schlag meets with politicians and church representatives. Gestapo agent Rolf interrogates Kat, and Müller intends to capture Stirlitz.

Müller offers Stirlitz assistance in negotiations with Bormann. Stirlitz tries to take Kat, who is wanted by the police, out of Germany.

Stirlitz reports to Moscow about the negotiations between General Wolf and American diplomat Dulles. Bormann intends to arrest Wolf.