Pei Yu opened his eyes and became a "traitor" who was about to be publicly executed. Three guns were pointed at the back of his head on the execution ground, while the real mole was standing on the execution platform and sneered. On the line between life and death, he found that he could hear the most secret information in everyone's heart - code names, code words, and lurking lists. The entire Jiangcheng underground network unfolded in his mind like a transparent intelligence map. At the last second before the gunshot, he said something that made his inner ghost fly away. From an abandoned chess piece to a spy operator, he wants to bring out the collaborators, traitors, and lurkers one by one in this isolated city.
