Issue in the Canyon

From publisher blurb:

Adventuring in the Principality of Lockerbie continues with Issue in the Canyon. Your party has enjoyed the advantages of being considered a hero but as the days’ progress, it is back to normal in Gormell. After having a bit of ale at the local tavern you notice a wagon caravan has arrived in town and the people are abuzz over their arrival. Noticing that some of employees are a little beat up, you find yourself in the sheriff’s office being told of a brazen, humanoid attack on the merchants. Looks like you just found a job opportunity!

This adventure setting was designed for 5th Edition AD&D for the Filbar Campaign for a 4-6 adventurers of 2nd – 4th level and a DM.