Josh Gates dives into one of America's oldest witch stories. In the Tennessee backwoods, locals report being attacked in a vast cave system. Jess and Phil go underground and uncover frightening piles of bones as well as potential human remains.

After receiving brand-new, frightening reports, Josh Gates sends Jessica and Phil to the woods of southern New Jersey to hunt for the infamous Jersey Devil. Locals are terrified by a demonic creature that's terrorized them for more than 300 years.