The world is plunged into a new ice age, with a handful of colonies struggling to survive with dwindling resources. When the residents of one outpost lose contact with a neighbouring settlement, they brave the harsh conditions to provide aid and discover a deadly new threat to the human race. Sci-fi thriller, starring Laurence Fishburne, Kevin Zegers and Bill Paxton.

Forced underground by the next ice age, a struggling outpost of survivors must fight to preserve humanity against a threat even more savage than nature.