Isolde, the adopted daughter of the elite Windsor family, is in fact the legitimate daughter of Count Karen, swapped at birth. After returning to her biological family in adulthood, she is framed by the fake heiress Betty and imprisoned for three years. Upon her release, she cuts off all ties with her cold-blooded relatives. She aces the entrance exam and joins the Royal Alchemist Association, gradually exposing Betty’s schemes. In the end, she founds the world’s top business alliance, rising from the ashes to embrace a brand-new life.