Elowen was once the adopted daughter of Marquis Ning's household, yet she met a tragic end after being betrayed by the family's true heiress, Felicity, and the entire household. Reborn with a burning desire for revenge, she orchestrates her plans step by step. She first seizes control of the household management, only to relinquish it at the crucial moment, plunging the marquisate into financial crisis. She then exposes Felicity's schemes, humiliating her thoroughly. Along the way, Elowen encounters the Third Prince, Alistair. They form an alliance to investigate the dark secrets hidden within the marquisate. In the end, Elowen unveils the household's crimes, leading to their exile. Finally free from the shackles of the marquisate, she finds her own happiness, married with Alistair.