From publisher blurb:
A sandbox horror adventure for four to six players
The Darkwillow Manor is haunted and its owner, Stolcan Peshi, needs the adventurers' help to find the source! Haunting at the Darkwillow Manor is an adventure for the fifth edition of the world's most popular roleplaying game. Meant to be played during one or two sessions, this Tier 2 adventure for 4-6 players begins with a warm welcome to the estate, but quickly reveals that something sinister is afoot...
Inside the pages of this supplement you will find:
A 47-page adventure for 7th-9th level characters
Horror sandbox adventure; no playthrough will be the same
Unique monsters with amazing art, dynamic statblocks, and tokens
Battle maps for print or use in your favorite VTT (150dpi; grid and no-grid versions)