The year is 1817. Minon, a five-year-old girl, leaves her aunt Therese of Brunswick, who has raised her like a mother since her birth, to go and live with her parents, the Count and Countess von Stakelberg. One day, Gabrielle, her housekeeper, who is no longer in her right mind, reveals that her real father is the composer Ludwig van Beethoven. Twenty years later, still intrigued by this confession, Minon decides to unravel the mystery of her origins. She returns to the place of her early childhood, hoping to find the truth with her aunt, who was for years the faithful friend of the great composer.

Leningrad; 60th years; white nights. Walking on Neva Embankment, the charming provincial has met three friends: poet, artist and film director. And each of young people has suggested to marry him.

Roma Rogov was a talented and gifted boy — something that becomes clear by blowing up his teacher. A girl from Germany named Rosy casually fixes her dad’s scooter. Such exceptional children are sent to the International Festival of Gifted Kids, held in honor of the Year of the Good Child. Criminals plan to kidnap the crown prince of a wealthy kingdom, but by mistake, they end up with little Roma Rogov — already known to us as the young demolitions expert…