Mystery at Loudwater

From the introduction: Loudwater is a small city, located on the confluence of the Delimbiyr and Greyflow rivers. It has seen better days, but parts of its former splendor remain. Even though the population has greatly dwindled, traces of its former splendor remain. But lately, caravans have been banishing without a trace, and people are getting nervous. A 3-hour standalone adventure for 1st-3rd level characters