On the Trail
Set in early 1960s, the police prevents spies from destroying city infrastructures before the National Day.
- Year: 1963
- Country: China
- Genre: Drama, Thriller, Crime
- Studio: Pearl River Film Studio
- Keyword: china, national day, 特务
- Director: Lu Jue
- Cast: Lin Lan, Jin Shi, Hong Bing, Ruichao Jia, Manping Zhang, Gu Langhui