A young doctor is suspected when a series of Jack the Ripper copycat killings is committed. However, when the doctor himself is murdered, his identical twin brother claims to have seen visions of the true killer.
David and his adventurous group of friends embark upon a caving expedition within the deep and treacherous Shankali Caverns of India. As the group descends deep into the caves, they discover they have trapped themselves within the breeding den of giant black centipedes.
