Epic Vol 3 story question
*** SPOILERS AHEAD ***
Hi, I've been doing the Volume 3 Epic quest line in Rohan again, on an alt. When going through the story I realise that I actually still don't understand the story of the mysterious foe that we are pursuing. He is obviously some kind of traitor from what we learn in Edoras. We follow him to Stoke, then find out that he has killed a guard there and has perhaps ran off to Woodhurst. However, when we get there we don't actually hear more about him. There is some talk about enemies in the Mead Hall and we are asked to kill some Dunlendings. So what is the solution to the story? Is the mysterious foe some Dunlending or what? Does anyone have ideas about this?