When the earth moves under George's feet, the opportunity for him to slay a demon from his past presents itself - and leads to the issuing of a very rash challenge.

George throws himself into solving the mystery of Sir Frederick Weld's missing head - when he should be solving a whole other mystery, one much closer to home.

George struggles with the realisation that while he was looking the other way this whole other world was going on - a world he is so not qualified to deal with.