John Short

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.

When their only daughter Blair leaves the family nest, Luther and Nora Krank decide to book an island cruise to beat the yuletide blues and just skip the holidays. But their decision to boycott tradition has the whole neighborhood in an uproar, and when Blair calls on Christmas Eve to announce a surprise visit with her new fiancée, the Kranks have just twelve hours to perform a miracle and pull themselves and their neighbors together to throw the best celebration ever!