Brandt learns of Gustav Schwarz's connection with Nonna and attacks her. Shvets swears revenge. Larisa Strepetova gives Peter information that the Germans are planning a roundup of Komsomol members.

Nonna is also involved in the underground. Meanwhile, a real hunt for the resistance begins.

Shvets must get hold of maps of the location of all enemy units. With Nonna they make a cast of the key of Brandt's office and steal the maps to deliver them to Rostov.