Back to Chapter 1
This quest becomes available during the main quest Where is Triss Merigold? if you decided to help Roche during the fight in the ruins. Derae will tell you that Margot’s been missing and was last seen going to her room.
The obvious place to start is by visiting Margot’s room. It’s found in the lower level of the Tavern (#1). Unfortunately she’s been hanged. Search the Locker for a Letter explaining everything and some of her notes.