Masha Lavrova lives in a small town in Ramensk with her mother Anna, her elder sister Nadezhda, her husband Sergei and their daughter Sonia. Masha is an aspiring pianist, and Sergei and Nadia are young scientists who have long been invited to work in the capital. Masha and Nadia's mother dies in a car accident. Masha starts teaching music to talented children.
