Jack Harper, a drone repairman stationed on Earth that has been ravaged by war with extraterrestrials, questions his identity after

Jack and Victoria are the last ones left on Earth in 2077. In 2017 scavenger aliens decimated the Moon and invaded Earth although humans won the war Earth was left uninhabitable. With Victoria as his communications officer Jack repairs combat drones that hutthe remaining scavengers and guard the hydrothermal platforms that convert seawater into fusion energy.