Best Chinese sci-fi film In the near future, the sun is rapidly aging and expanding, and the earth is facing the disaster of being swallowed up. To save the planet, humans built tens of thousands of planetary engines on the earth's surface to flee the solar system and find new homes. The planet and humans embarked on a journey of cosmic vagrancy expected to last up to 2,500 years. In the process of completing this magnificent plan, countless people have come forward and staged the song and sob legend, the adventure of deaths and the ultimate torture of human nature at the same time.