Nora, a duchess, is suddenly told by her fiancé, the first prince Lennart, that their engagement has been called off. Behind this, Elisa, who has been involved in some way since their student days, is present...! To make matters worse, she is forced into an engagement with the 7th prince, Ashton, who is rumored to be ruthless and cruel, and she visits Ashton's mansion in fear and anxiety. But what awaits her is an unexpected turn of events――!?