Spiderous Lancaster

Are the legends of tunnels running beneath Lancaster true? What about the story of the witch who had her lair down there a witch who took the shape of a giant spider? Sales rep Derek travels to Lancaster and is involved in an accident. He finds himself in the care of glamorous Dr Wilson but is she all she seems? Derek soon finds himself at the heart of the mystery lost beneath the ancient city with an eight-legged horror spinning a web for him a web from which he may not escape nor wish to.