When the son of an important noble falls into the hands of the Crimson Slavers of Marg, the heroes are hired to buy the young man’s freedom and bring him home. But the seemingly straightforward errand soon leads the party into sordid slave markets, dark alleys and back rooms, and the most vile depths of the vilest trade in Thule. The noble’s son was not abducted for the auctioneer’s block–a dark and terrible fate awaits him if the heroes can’t reach him in time!