Matyora is a small village on a beautiful island with the same name. The existence of the village is threatened with flooding by the construction of a dam. This is the story of the inhabitants of Matyora and their farewell to their homeland.

A new young teacher Tatyana Ivanovna takes a problematic 5th"B" class and wins with the score 4:0.

At the end of 1943, during the occupation in Odessa, a new specialist Kraft arrives at the shipyard and soon becomes a chief engineer. It never occurred to anyone that a Soviet intelligence officer was hiding under the guise of a leader showing official zeal. At the decisive moment, when the victorious offensive of the Soviet troops forces the German-Romanian invaders to leave Odessa, on the instructions of the Center, Kraft leaves with them for further work behind enemy lines.

Artyom (Armen Dzhigarkhanyan) is a scientist who buries himself in his work after the woman he loves dies during the war. He is informed of his sweetheart's death by a young woman, and soon love blossoms between the lonely doctor and the emerging beauty. This is the big-screen debut of Margarita Terekhova in the popular film that was seen by over 20 million in the USSR.