the earth is about to be hit by a giant asteroid, and the human race builds a huge spaceship to escape.
a teenage girl is about to board with all her friends, but she has a vision in which the spaceship is subject to a massive inter-space hyperspace pileup and everyone dies horribly. she pusuades her friends not to board
the last 10 humans are on earth, and death is stalking them, one by one...
(with apologies to douglas adams and Final Destiantion 1-3, and john carpenter's
assault on precint 13)