Four years after a passionate encounter, fallen noblewoman Isolde tracks down Thorne, a lowly butcher, revealing they share a daughter, Elara. As Isolde faces cruel oppression from her abusive family and arrogant nobles, Thorne secretly uses his supreme power to protect them. When enemies threaten their lives, Thorne must reveal his true identity as the almighty Dragon Lord and royal prince to crush his foes and reclaim his family.