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Release date: 01/01/1977
Popularity: 0
Original language: ZH
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Three Black Triangles
7
ThrillerAction
Overview
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.
Alternative titles
Hei san jiao