A war has devastated the Earth and to save the species, humans have been evacuated to the moon Titan. Jack has had his memory wiped, but returns to work with the task of repairing drones on earth, robot drones who patrol the planet. Jack works alongside Victoria to try and fix all the drones as they are damaged by the 'scavs,' who must be members of the invading alien race. This is Jack's reality. During the movie Jack regains portions of his original identity to learn the truth, and acts accordingly.