Spring 1942. Moscow schoolgirl Katya corresponds with a naval school cadet, Kostya, whom she does not know. When sent to the front, his train must pass through Moscow, and they have a chance to meet... Our days. Muscovite Katya, a talented violinist and a wild girl, without realizing it, begins to follow in the footsteps of the story of Katya and Kostya, her peers from the war years. Will she be able to end the amazing teenage love story that began many years ago?
