The main character of the series "Blue Lake," Nina, discovers that her husband Vadim has fallen in love with someone else. She decides to take their daughter and leave the man, but it turns out that he has no intention of letting go of any of his women. She has to escape from the polygamist with her child. Along the way, a random traveler picks her up. Misha turns out to be a good person, brings Nina to his hometown, and helps her find a job at a local hotel. However, Misha's wife becomes jealous of the unexpected rival and decides to get rid of her.