Young sisters Natalya and Larisa inherit a fashionable store. Instead of running the business together, they decide to stake their shares on a bet. Natalya undertakes to win over any stubborn man her sister chooses for her. But Larisa proves crafty and finds the most unpleasant candidate — Kolya the janitor. As she makes her way to his heart, Natalya learns many unexpected things about him. It turns out that Kolya used to work as a doctor in a traumatology department and suffered a devastating blow of fate. Whether she likes it or not, Natalya begins to develop sincere feelings for him. But how will Kolya respond when he learns that he has become a bargaining chip in a bet between two businesswomen?