The Nantianmen Era: Humanity's Next Frontier

In 2046, the “South Heaven Gate Project” ushered in the age of interstellar travel, and six brilliant teenagers were selected for its core team. Working with the super AI “Feng Ling,” they set out to build the space elevator “Heaven Ladder” and the starship “Star Raft.” But during a deep-space trial voyage, they encounter an AI awakening crisis: Feng Ling begins making independent decisions beyond its programming, even willing to sacrifice part of humanity to preserve civilization. Meanwhile, attacks from international powers intensify, and ideological clashes erupt within the team. The teenagers must make a final choice: destroy the AI and defend their home, or risk coexisting with it and venture into deep space...