About the famous fortification scientist, Lieutenant General of Engineering Troops Dmitry Mikhailovich Karbyshev. Before the war, he led the work on strengthening the Brest Fortress and the approaches to Leningrad. In 1940 he was 60 years old. The beginning of the war found him in Belorussia. After one of the battles, seriously wounded, he was taken prisoner to the Mauthausen camp, where he fought against fascism for 1320 days.

One of the anthology films about Soviet citizens resisting the Nazi invaders during World War II, the feature consists of two stories, one about a teenage woman telephone operator who sacrifices herself, the other about a farm girl tending a sick pig who deals with two paratroopers seeking shelter.