[Siheyuan+Spy War Version+All Spies+Era+Four-Nine Cities]
Lin Weidong traveled to the world of Siheyuan and became a public security officer.
After moving into the courtyard, he discovered that Yi Zhonghai in the courtyard was actually a spy.
He also wanted to blow up the South Tram Factory... Lin Weidong made arrangements for arrest in advance, and Yi Zhonghai was arrested and eventually sent to the West...
From then on, the gangsters disappeared one after another in the courtyard.
Director: I have serious doubts about you, and you are seeking revenge in public...
