Harbinger's Hideout

From the introduction: A week ago a prisoner escaped from the local constable. That same day, three bounty hunters were dispatched after the fugitive. But after two days, they have not returned. The PCs will get paid if they can return the prisoner alive, and bring any news as to what happened to the hunters. Publisher's blurb: Sets required to build this encounter: Encounter 1 - Summoning Chamber Encounter 2 - Prison Passage Basic Cavern Set