Katya and Sasha love each other and are going to get married. During the acquaintance of the parents, the characters learn that their families are sworn enemies. Roman Gordeev, a wealthy businessman, the owner of an underground casino, suddenly stands between the lovers. Gordeev will stop at nothing to win Katya. But Katya is devoted to Sasha, and her younger sister Liza is literally obsessed with the Novel. Circumstances are against them and the lovers are forced to part, but will Katya and Sasha be able to abandon each other?