A comet comes barreling into the planet after looming over the Earth for days. This comet is not just rock and ice - it's a mass of parasitic dust spawning countless zombies, hungry for human flesh, who are devouring anyone they can find. Hidden in a remote complex are the last survivors. Some are wounded, some have gone mad, but all of them must join together to fend off the grisly attacks by the man-eating creatures. With more zombies surrounding and infiltrating the hide-out by the minute, their chances for survival are just about up.