Do not start come to court. This quest will no longer be available. When you finish lure of the Abyss you can find Mason in the store are of grand soran. You'll get the quest Chasing Shadows.
Sleep till night and go near the castle you'll follow the mystery man who has a big shield (Wizards vizard). After completing the stalking leave the city or sleep and go back to that abandoned house and talk to Madeleine and pop goes the tropy