She Wore a Crown to Avenge

After her home is burned down and her mother killed by her adoptive sister Cecily, Isolde vows revenge. Knowing Cecily is the lost royal princess, Isolde steals her identity and pendant. Posing as the princess, Isolde enters the royal court, outsmarting Cecily at every turn. Through ruthlessness and wit, she reclaims justice and punishes the villain.