In a bleak Inverness midwinter, Luisaidh is careering off the rails after the suicide of her best friend. She medicates her misery with joyless sex, chips and a belief in the power of positive drinking. Surrounded by bittersweet memories, she struggles to find someone to talk to or some reason to make life worthwhile at the most stressful time of the year.

When a priest is jailed for the murder of a nun on whom he was performing an exorcism, an investigative journalist strives to determine whether he in fact murdered a mentally ill person, or if he lost the battle with a demonic presence.

1000 AD, for years, One Eye, a mute warrior of supernatural strength, has been held prisoner by the Norse chieftain Barde. Aided by Are, a boy slave, One Eye slays his captor and together he and Are escape, beginning a journey into the heart of darkness. On their flight, One Eye and Are board a Viking vessel, but the ship is soon engulfed by an endless fog that clears only as the crew sights an unknown land. As the new world reveals its secrets and the Vikings confront their terrible and bloody fate, One Eye discovers his true self.