Thousands of years in the future, humanity has annihilated itself through war. The last handful of survivors live on an experimental faster-than-light generation ship, arranged in a toxic, hierarchical society overseen by Derry the Director. But when Navi the Navigator, a girl from the ship's lowest class, discovers a habitable nearby planet, the ship must confront a change to its status quo. A tale of love, redemption, and hope for humanity.