A Druid Priestess frustrates the creativity of a modern rock legend by haunting his music studio in the sacred grove of oaks she planted 2000 years ago on the Welsh island of Anglesey.
Can Fay and Percy help this powerful spirit communicate her desperate message to the world before it's too late? And just what does the triskelion symbol mean?
Once again, these mismatched psychic detectives must endanger their lives and make a bridge through...