A One-Round Living Greyhawk County of Urnst Regional Adventure
From the introduction:
A series of mysterious murders in the ominous village of Hardwyn embroil the heroes in a wicked assassination plot. Bound by a peculiar event in their collective past, the victims are more than they seem. The heroes must discover the sinister secret of the Brotherhood of the Oath and bring the killer to justice!
An adventure for [character levels] 4 - 12.
This adventure was distributed as a 55-page PDF scenario, a 6-page color PDF with print-and-play components (maps and tokens), and a 1-page color PDF with a map of Hardwyn.