Overview: The Maeshowe runes in Northern Scotland have been a great mystery for many millennia. To the Neolithic people, the ancient monument was a burial chamber. To the Vikings, it was the home of vast treasures. And to Victorians, it was the lair of Hogboon, a powerful ancestral Norse spirit. Join Clive and Mary-Ann as they travel the Orkney Islands through 5,000 years of myth and history to uncover the true story of Maeshowe. It's a journey that will bring them into a world of legendary monsters, Christmas zombies, and sounds that drove hardened warriors insane.