The ancient cult of Odin blends with the New Age fantasies of a community of Americans who have settled in Iceland; meanwhile Harland and Kurjak, guided towards the unknowable by the psychic Gudrun, are trying to unravel the mystery of the many, oh far too many disappearances that have occurred on the slopes of the Snaefellsjökull, the volcano described by ancient tradition as opening that leads to the center of the Earth But the answer to the questions is to be found in the Ice Kings Grotto, in the very place where the Viking heroes Egil- the Una-Mano and Asmund the Fierce killed the king of the Trolls