Nome original: 黑三角
Lançamento: 01/01/1977
Filme
Tempo médio: 89 minutos
Gêneros: Thriller, Ação
Sinopse: 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.
