Three Black Triangles
- Movies
- 1977-01-01
- ZH
- Released
- 1h 29m
- CN
- Thriller - Action
Production
Beijing Film Studio, Ningxia Film Group
Storyline
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.
