Officer Lei tracks down embezzler Chen Ziliang in Mongolia. Although Chen insists he was innocent, Lei must escort him across China to bring him to justice, but it soon becomes apparent that an unknown organization wants Chen killed.
Unfortunately the movie The Trail is not yet available on HBO Max.
| Art | Cao Juiping | Art Direction |
| Directing | Manfred Wong Man-Chun | Director |
| Directing | Zhou Xiaowen | Director |
| Writing | Ni Zhen | Writer |
| Writing | Manfred Wong Man-Chun | Writer |
