Lurking in the quiet village of Dunwich, a supernatural horror lies in wait in this adaptation of an H.P. Lovecraft story. When a cute college coed (Sandra Dee) and her professor (Ed Begley) visit the library at the infamous Miskatonic University, they discover a young man (Dean Stockwell) who wishes to check out the dreaded Necronomicon. An ancient book for divining demons, the Necronomicon allows its user to bring hell to Earth, and human sacrifice is the required offering. Pretty young Sandra Dee is the creature's prey.