A special agent of frontier force in Canton tries to find a spy called aunt Mei.
Unfortunately the movie Secret Post in Canton is not yet available on HBO Max.
| Writing | Canyun Chen | Writer |
| Directing | Zhao Huanzhang | Assistant Director |
| Art | Chong Wong | Art Designer |
| Crew | Zhu Jing | Cinematography |
| Sound | Liehong Li | Sound Recordist |
| Art | Mingchung Yiu | Art Designer |
| Costume & Make-Up | Zhigao Tian | Makeup & Hair |
| Production | Tao You | Producer |
| Sound | Wang Zongjian | Conductor |
| Directing | Lu Jue | Director |
| Sound | Shi Yongkang | Music |
| Editing | Qinglong Tan | Editor |
| Crew | Zhen Xiao | Special Effects |
