The orphan girl from the slums × the duke's legitimate daughter, both sides are heading towards a powerful alliance. She uses dark magic to stir up the storm and protect her lover, and she uses family power as a shield to support her lover. The two teamed up to overthrow the rebellious church and rewrite the century-old rules of the magical world. From the taboo of secretly falling in love to justly staying together, they eventually became a legend in the kingdom.