Kalashnikov
School of working youth. A new teacher of Russian language and literature comes here. Soon, Yelena Nikolayevna realizes that it is impossible to make concessions to adult students who are tired after work, but you need to interest them, awaken in them a desire to learn.
Plyushchev
Explosions are raging in one of the ports in the territory occupied by the German fascist invaders. An old and experienced military leader, Admiral Reinhardt, arrives to investigate these emergencies. Together with the head of the Gestapo, SS Standartenfuehrer Hübe, he takes all measures to suppress the activity of the partisans, raids and arrests, but all in vain. Underwater sabotage continues. A detachment of fighters with experience of submarine warfare is sent from Italy to fight the demolitions.