![Emilio Estevez](http://image.tmdb.org/t/p/w92/2NSM4zFrw3i16UYdUhfETVjqC4I.jpg)
When a comet passes close to the earth, machines all over the world come alive and go on homicidal rampages. A group of people at a desolate truck stop are held hostage by a gang of homicidal 18-wheelers. The frightened people set out to defeat the killer machines ... or be killed by them.