A One-Round Living Greyhawk Yeomanry Regional Adventure
From the introduction:
A wedding, an investigation, and a mysterious groom…what else do you need to know?
A Yeomanry regional adventure for [character levels] 2 - 6 and Part 2 of the Brides series.
Note: Having already played YEO5-IS1: Here Comes the Bride is recommended but not required. However, you may not play YEO5-IS1: Here Comes the Bride after playing this adventure.