Liuba Vasnetsova lives in a provincial boarding school, dreams of finishing it sooner rather than later and go to St Petersburg to become a stewardess. The future seems bright: after boarding school she receives the keys to a new apartment, with a new life ahead. But on the day of her graduation she learns that she is not an orphan: her father is alive and not dead, as she was told earlier. The girl is shaken and decides to find him.