Andy searches for dragons in Somerset, visits the grave of Arthur and Guinevere and tests the healing waters of a spring once used to wash the Holy Grail. 

In Gloucestershire, Andy McGrath receives basic military training at a Civil War re-enactment, embarks upon a hunt in the creepy surroundings of Littledean Jail with paranormal researcher Jane, fights back against the spectre of old age at St Anthony's Well, and investigates the story of the last woman to be prosecuted for witchcraft in England.