During the War of Resistance Against Japan, a CCP army unit guarding the southwest border follows what is ostensibly a trading caravan and discovers that these traders are actually smuggling arms and spy equipment to Chiang Kai-shek and his American allies.
| Crew | Nie Jing | Cinematography |
| Directing | Lin Nong | Director |
| Directing | Zhu Wenshun | Director |
| Sound | Dichang Zhang | Music |
| Sound | Yin Shengshan | Conductor |
| Writing | Lin Nong | Adaptation |
| Art | Liu Xueyao | Set Designer |
| Sound | Chen Wenyuan | Sound Recordist |
| Directing | Hao Weiguang | Stage Director |
| Writing | Hua Bai | Book |