Captain Brackenbrook has been estranged from his son, Jon, ever since they fought over the loyalty of Calder Cob. Captain Brackenbrook trusted Cob, while Jon had been suspicious of him. The orders you found proved Jon right.
'I have been such a fool. With Calder Cob turned traitor, I do not know whom to trust anymore. How many more spies dwell among us?
'I would ask a favour of you. Go speak with my son Jon and ask for his help against the Blackwolds. Jon spends most of his time at the Hunter's Lodge to the east of Archet. From the town-gate, follow the road that wends to the east, and you will eventually make your way to the lodge.
'If you can sway my son's heart, I will reward you handsomely.'
Jon Brackenbrook can be found at the Hunter's Lodge that lies along the road east of Archet.
Captain Brackenbrook, uncertain of whom to trust, has asked you to speak with his son Jon and earn his aid. He promised to reward you handsomely if you succeed.