Evil has resurrected in the quaint, rural community of Cider Knoll, Kentucky. The day after a country pastor is ritualistically murdered, a teenage boy vanishes inside an enchanted cave-Devils’ Den-that has long been rumored to be haunted. The local sheriff is baffled on how to continue the search and rescue when the only clues end at a mysterious wall inside the cave.
Then an unexpected man shows up with an age-worn book that has disturbing revelations about identical phenomena that have occurred every twenty years for the past one hundred forty years.
And according to the predictions set inside the book, they have little time to find the boy before he becomes the next victim.