From publisher blurb:
Sins of the Father
Strange dreams and terrible nightmares grip the people of Leafton. Horrific images of burning flesh and unknown terrors haunt the town. Many disappear, never to be seen again. But at least the circus is in town.
Visited upon the Son
What Evil Lurks is a wilderness and dungeon adventure designed for 4 to 6 characters of 8 to 10th level, focused on roleplaying and culminating in the solution to a great mystery. It includes numerous NPCs, new spellcasting feats and new monsters including a new monster template! Can your adventurers discover whats behind the evil dreams and missing townsfolk? Can they stop the Soul Engine before it unleashes darkness upon the world?