Under the shadow of the "deep space gazer", human civilization is in danger. Yun Biechen, as the chief scientist, firmly believes that this whisper from the depths of the universe is a kind guide and the key to evolution. His best friend and security director Lu Zhaoye witnessed the contactees descending into madness and distortion one after another, and vowed to define it as an invasion and isolate it completely. The tearing of ideas brings the former brothers to confrontation. A debate about the survival of mankind unfolds on the edge of the abyss where the truth is unknown.
