The group is given the assignment to go undercover into Alundair to extract a spy that has ignore an order to return home. A spy discovered in a foreign country could spark hostilities that Breland does not need right now. The spy was a changling that fell in love and refused to pull out until she is able to leave with the research she discvered.
The characters eventually figured out the identiy of the spy and convinced her to show themm the secret lab she worked in. The research involved changing dragon marks and adding them to creatures that did not have them before. It’s a very dangerous project that would make many enemies in the dragon marked houses. The characters decided to detail the research to Breland but destroyed the actual lab and ritual required.