"The sagas are full of references to the undead. Stories of the deceased coming out of their barrows to stalk the countryside. The Vikings called them 'draugr' or 'haugbúi' ... Mound dwellers."

An empty hotel and an abandoned ski resort in the mountains of Norway. Four young adults with their hearts set on an illicit weekend of skiing and drinking in the isolated wilderness. What could possibly go wrong?

But an ancient evil has awoken under the mountains. As darkness falls, nightmarish things emerge from their thousand-year-old tombs to stalk the living. A skiing vacation soon turns into a grisly nightmare as David, Virginia, Jens and Silje are pursued by a horde of bloodthirsty Viking zombies ...