Three Black Triangles

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.

• Liu ChunlinDirector
• Chen FangqianDirector
• Wang MingOriginal Music Composer
• Yingjie LiWriter

• Lei MingShi Yan
• Ling YuanYu Huangshi
• Liu JiaYu Qiulan
• Ping ZhangHong
• Bi JianchangLu Deqin
• Qin WenLiu
• Cao CuifenCast
• Zhang YanCast
• Fang HuiCast
• Lin LiCast
• Wang HuimingCast
• Li LaoCast