Watch Oblivion for Free: How to Stream the Movie Online at 123Movies. . Jack Harper is one of the last few drone repairmen stationed on Earth. Part of a massive operation to extract vital resources after decades of war with a terrifying threat known as the Scavs, Jack’s mission is nearly complete. His existence is brought crashing down when he rescues a beautiful stranger from a downed spacecraft. Her arrival triggers a chain of events that forces him to question everything he knows and puts the fate of humanity in his hands.