Three Black Triangles (1977) — action, thriller film. Directed by Chen Fangqian, Liu Chunlin. Starring Lei Ming, Ling Yuan, Liu Jia, Ping Zhang.
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Action, Thriller · 7/10 · 89 min · 1977
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.
Related entry on Wikidata (Q11178880), public domain (CC0).