Sha presents the theory that shows the flicker could be faked. Wang and Shi look through Ye's files and learn of her tragic past.

The civilization is demolished in the game, leaving Wang overwhelmed by how real it feels. No one can find any information on the game developer. The General decides to put top scientists in military custody for protection.

Police find Shen's death a suicide, clearing Pan. Wang attends a Three-Body game meetup where Pan reveals extraterrestrial existence. Meanwhile, global preparation against the aliens begins as mistrust spreads.

Ye learns of Trisolaris and decides humanity's fate. She reveals the significance of Wang's research. Shi takes action against Chen, averting disaster.

Shi proposes using Wang's flying blade to slice Judgment Day, aiming to secure Trisolarian data.