The beautiful melon seller, Ye Liuxi, and the shadow puppet performer, Chang Dong, join forces to venture deep into the desert. One seeks to unravel the mystery of their origins, while the other aims to retrieve the remains of his deceased girlfriend. As they encounter numerous anomalies in the uninhabited area, they are led to the weathered Yumen Pass. They navigate between the Imperial Guards, Taoist Priests, and the Scorpion-Eyed, unraveling the truth amidst various enigmas, and gaining insights into true love through numerous life-and-death trials. The truth seems within reach, but they find themselves ensnared in an even larger conspiracy.
Nanotechnology researcher Wang Miao is taken to the Joint Operations Center by police officer Shi Qiang, who's investigating the mysterious suicide wave among scientists worldwide, and recruited to sneak into an organization called the Frontiers of Science to help the investigation. When Wang Miao is contacted by the leader of the organization, Shen Yufei, she introduces him to a sophisticated VR video game called Three-Body, but soon he discovers that it's more than just a game.