A shipwrecked lunatic, a mysterious cavern, and a plump little man with a fear of fire lead Doc on his strangest and most legendary adventure ever -- straight to the gates of hell itself!
When an eccentric young millionaire suddenly starts predicting the future with unerring accuracy, Doc has to find out how and why fast -- because the next prediction is of his own death!
In a secret fortress high in the Andes, Doc and his crew are enslaved by a race of extrasensory super-blondes who worship a strange green stone with a life of its own!