When the pressure to be royally perfect gets to be too much for Mali, he returns to the Isle of the Lost. He discovers that Umar, the son of Ursul, has taken over as king, and that his gang is finalizing plans to bring down the barrier. You have your memories back and happily with your son and husband nothing could ruin this day for you. But what if you have a mystery twin brother that you ever know about and is planning his revenge with help from Umar and his gang. Will you stop your twin brother and save Auradon.