In a past age, humanity fled a dying Earth in massive ark ships. These searched the galaxy to find a new home. Then one fleet found Centauri, a dense cluster of stars teeming with habitable planets. Now, thousands of years later, Centauri's settlers have evolved into advanced beings known as Celestials - and their great houses rule vast star systems. As they vie for supremacy, Earth's ark ships continue to arrive, and humans must serve these repressive masters. But is there a better life beyond the empire? Finn is a Centauri-born human and yearns for a brighter future. So, when another ark ship arrives, previously thought lost, Finn seizes the chance to become a Traveler. These heroes explore the vast unknowns of distant space, dedicated to humanity's survival. And they hope - one day - to find freedom.