The amusing adventures of the young builder Pasha Gusarov began from the moment when he met and fell in love with Katya on the train, who was going to conquer Moscow. Happiness makes a person careless, and the station is just the place where you can lose it. But it is at the station after all kinds of adventures that they meet again and now they will never part.

Seven year old Sasha practices violin every day to satisfy the ambition of his parents. Already withdrawn as a result of his routines, Sasha quickly regains confidence when he accidentally meets and befriends worker Sergei, who works on a steamroller in their upscale Moscow neighborhood.

Swept up in political unrest during World War I, two sisters in St. Petersburg cope with turbulent romances as Russian history is made around them.