Part 3/9:
The narrative centers on Leu Pang, a trainee astronaut selected for the mission. He arrives at the space elevator base, only to be met by an army of protesters. As tensions at the base escalate, an armed intruder breaches security, only to be subdued by another trainee, Han Duo. A bond develops between Leu and Han as they undergo grueling training, including combat techniques, medical testing, and acclimatization to the space elevator, which stands as the highest structure in human history.