داستان در مورد یک ربات است که مأموریت دارد چند کودک را در سیاره‌ی پسا-آخرالزمانی و جنگ‌زده‌ی زمین پرورش دهد After Earth is ravaged by a great religious war, an atheistic android architect sends two of his creations, Mother and Father, to start a peaceful, godless colony on the planet Kepler-22b. Their treacherous task is jeopardized by the arrival of the Mithraic, a deeply devout religious order of surviving humans.