Shadows on the Long Road

From the introduction: It’s been some time since your last adventure - trouble and treasure have both been unusually scarce. But then you heard a rumor in Triboar. It seems that people have been disappearing on the Long Road, on the hundred-mile stretch between there and Longsaddle. A large number of people now, all gone without a trace. You joined a grain caravan heading north to investigate. The trip to Longsaddle was quiet, with nothing to show for it but sore feet. Now your party is heading back south on your own. User summary: For a party of 3rd level characters