When a freak cosmic event renders most of the Earth's population blind, Bill Masen - one of the lucky few to keep his sight - finds himself trapped in a London jammed with sightless mobs who prey on those who can still see . . .
When Sir Charles Baskerville is found mysteriously dead in the grounds of Baskerville Hall, everyone remembers the ancient legend of the monstrous creature that haunts the moor. The great detective Sherlock Holmes knows that there must be a more rational explanation, but the difficulty is to find it before the hellhound finds him.