With survivors scattered and civilization in ruins, time is running out for Sergeant Marcus Fenix and his Delta Squad.
Two years after the end of The Locust War with the entire civilization scattered and many casualties. While Dom is suffering with suicide thoughts after the death of his wife and Marcus struggles desperately to save his father, a new enemy shows up bigger than the Locust. Time is running out for Delta Squad in the spectacular finale of one of the most celebrated sagas.