Three Black Triangles [黑三角]
- Release Year
- 1977
- Runtime
- 1h 29m
- Genres
- Action
- Thriller
- Directed By
- Fangqian Chen
- Liu Chunlin
The Public Security Bureau intercept a telegram notifying foreign agents to retrieve the "110 secret". Shi Yan, head of the Reconnaissance Section, starts a campaign of counter-espionage, but one of his agents is soon killed on board a train.
