In 2150 AD, human civilization has expanded to the edge of the solar system. Nantianmen is no longer the mythical entrance to heaven, but a giant quantum space station orbiting the earth - a portal connecting multi-dimensional space. It symbolizes the double-edged sword of the pinnacle of technology and human ambition: on the one hand, it opens the era of unlimited resources and interstellar immigration; on the other hand, it awakens the power of ancient myths, causing the boundary between reality and illusion to collapse.
