Sofia's life takes place between lectures, working part-time in an ethnographic park as an animator, helping her mother in a country motel. All the girl dreams of is to save money and fly to Turkey for excavations with a young professor, with whom she is secretly in love. Sofia is sure that it is there that Igor Svyatoslavovich will finally stop treating her as an ordinary student and this, of course, will mark the beginning of their long and happy family life.

But one day the girl's usual life changes dramatically. The oligarch and philanthropist Korolenko announces to everyone that she will become the heiress and manager of his big business. The upset grandson of Yaroslav Korolenko tries to resist these events, but attempts to understand his grandfather's difficult game lead him to disappointing conclusions. Yaroslava's fiancée and the daughter of Korolenko's partner Oleksandra are a smart and purposeful girl, she treats marriage pragmatically, because earlier her great love with Professor Danilevsky was destroyed due to the betrayal of the young scientist. Alexandra will be wary of meeting the new heiress, but will soon learn about the cunning machinations of the oligarch, as well as that the betrayal of her former lover was fabricated on the orders of Yuri Korolenko. Naive Sophia learns that she is just a pawn in someone else's game, and the one in whom she saw her benefactor is a thief and swindler who decided to save his bankrupt company with the help of his heiress. After all, the girl's great-grandfather left a large deposit in a Swiss bank and today only Sofia can get this capital.

The secret of the death of Sophia of Kyiv's father did not become a great revelation of Korolenko, who, while rescuing his own son, hid Roman Izyaslavsky in prison.

In order to survive in a world full of envy and intrigue, Sophia will not only have to grow up quickly and learn to understand people, but also, of course, to meet her true love, albeit the grandson of her enemy.