Kastehelmi, a count's daughter, marries Oliver, the second son of a ducal family. However, Oliver is infatuated with his childhood friend, Juliana, and pays no attention to Kastehelmi. To make matters worse, Juliana captivates the hearts of everyone in the ducal household and ends up trying to steal Kastehelmi's place... Therefore, Kastehelmi utilizes her specialty, "rumors," to manipulate the butler, maidservants, and even other noble ladies at her will, gradually backing Juliana and her allies into a corner――!!