In the Inn in Crescent Reach, there's a sleeping NPC in one of the rooms. When hailed, he pops up and if you follow the quest [text], you arrive at a quest to rescue this guy.
Only speculation on my part, as I haven't progressed in this quest yet, but there's an Orc Keymaster or somesuch that probably needs to die at some point in this quest.
Edit: Next step is indeed to kill the Orc Keymaster.
Edited, Oct 23rd 2006 at 7:42am PDT by mcoolidge
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Arynduil Hunter, EMarr
"In a crowded Universe, when the talking turns to noise, you almost start laughing"