Idols of the theatre Henry Irving and Ellen Terry are preparing to stage Macbeth in Edinburgh. But long before the actors hit the boards the play-house is hit with horror; the piercing, desolate wail of a banshee and a bloody message smeared on the street.Legendary Detective 'Nine-Nails' McGray and disgraced London sceptic Inspector Ian Frey are to investigate. While McGray flicks through tattered tomes on the supernatural, Frey is convinced the whole thing is just a publicity stunt.But as the gory messages keep coming one thing is sure; whether by human hand or not, death is coming.