They were so different - the green-eyed beauty Marianna and the modest simpleton Shura. There was only one thing Shura could not forgive her older sister - Mark, who was so blinded by Marianna that he did not even notice the hopeless love of the inconspicuous gray mouse. The tragedy that led to the death of Marianna, who was playing with fire, embittered Shura: the girl decided to take revenge on Mark at any cost... Years pass. Will the powerful Lady Alexandra be able to fulfill her plans if the feeling is still alive, and the person most dear to her stands in the way?..