The Russian melodramatic series "Unsent Letter" tells the story of a young woman named Olga, who is about to turn 30. Her heart is still free. All her friends have long since started families and are busy raising their children. They no longer have time for friendly get-togethers, and Olga feels increasingly lonely. One of her friends recommends that she consult a fortune teller. The fortune teller is confident that Olga will soon meet a handsome and wealthy man.