Set in early 1960s, the police prevents spies from destroying city infrastructures before the National Day.
Unfortunately the movie On the Trail is not yet available on HBO Max.
| Art | Chiming Huang | Art Designer |
| Sound | Guang Lin | Sound Recordist |
| Art | Sen Zhang | Prop Designer |
| Directing | Lu Jue | Director |
| Writing | Zhongmin An | Writer |
| Writing | Xianqun Zhu | Writer |
| Sound | Zhendong Wang | Music |
| Crew | Minhui Shen | Cinematography |
| Editing | Huanyao Dong | Editor |
| Art | Yanxing Wang | Set Decoration |
| Costume & Make-Up | Honghua Hu | Makeup Artist |
| Production | Li Ba | Production Manager |
| Directing | Shaofeng Zhou | Assistant Director |
| Directing | Yan Xu | Assistant Director |
| Lighting | Yingrui Wang | Gaffer |
| Sound | Feili Huang | Conductor |
| Directing | Jianxin Nie | Stage Director |
