ESTEEMED ARCHAEOLOGIST CILLIAN McGONEGAL had gone missing.
He was onto a discovery that would shake up what we know about ancient Egyptian mythology, its origins, time and our place in the world.
Then he vanished.
After two years, the McGonegal family had given up ever finding their famous member.
Then one day a letter arrived for the other McGonegal brother, Patrick.
It was astounding.
Cillian was alive and what's more he had solved the mystery of the Serpent Mound.
There is danger in this d.