It is capable of fixing people and the environment through a sort of terraforming system, but also to turn them into automatons hell-bent on serving the idealistic purposes of an A.I. Some people are blind to what that power could mean, while others, like Buchanan, Caster mentor Dr. Joseph Tagger (Morgan Freeman, who can not help but add some humanity in everything he does), Luddite leader Bree (Kat