Animated fantasy action adventure set in a post-apocalyptic future where the human race has been destroyed by machines which they themselves created. Aside from the machines, all that exists is a group of sapient rag dolls brought to life by a scientist in the final days of humanity, who stumble upon 9 (voice of Elijah Wood), another of their own kind. The group, consisting of war veteran and leader 1 (Christopher Plummer), frail inventor 2 (Martin Landau), non-verbal twins 3 and 4, engineer 5 (John C. Reilly), vision-plagued artist 6 (Crispin Glover), brave fighter 7 (Jennifer Connelly) and strong 8 (Fred Tatasciore), welcome 9 in the hope that he can help them muster the courage to battle the remaining machines and save what is left of the world.