In the bleak northlands, Grimnir, the living god of the plundering Vanir, is leading his hordes across Cimmeria. Tales of Grimnir's fury spread as refugees scatter throughout the land to escape his wrath.

In the village of Gaud, the young warrior Kern, the "Wolf-Eye," has been exiled, an outcast from clan and kin. It is he who is fated to confront the dreaded Grimnir. But as loyal friends and desperate fighters rally to his side, even Kern does not know whether he leads his people to deliverance, or certain death.