(黑三角)

Content: 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.

Countries:

China

Genres:

Thriller,

Action

Runtime:

89 minutes

Year:

1977

Directors:

Liu Chunlin

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Production companies:

Beijing Film Studio,

Ningxia Film Group

Actors:

Shi Yan

Yu Huangshi

Yu Qiulan

Hong

Lu Deqin

Crews:

Director

Director

Art Direction

Editor

Original Music Composer