To restore communications to the island of Hainan, the People's Army sends scouts across the Palm Grove Strait to the Leizhou Peninsula, where the detachment radio station was located.
| Actor | Role |
|---|---|
 Shi JiufengLing Zhang | Ling Zhang |
 Gao BoMo Tan | Mo Tan |
 Cui ChaomingFei Hong | Fei Hong |
 Xu Weiaunt Wang | aunt Wang |
 Zhang YanChun Lin | Chun Lin |
| CChong YuYusan Pan | Yusan Pan |
 Yong LiRadio Repairman | Radio Repairman |
| YYe YeMei Xiu | Mei Xiu |
| YYichun XingDagen Liang | Dagen Liang |
| GGuoying LinGu Yun | Gu Yun |
 Baoluo LiEr-Gong Chen | Er-Gong Chen |
 Lai FanLin Hai | Lin Hai |
 Wang LiOld lady | Old lady |
 Jin NaihuaSchool teacher | School teacher |
 Ming Li林妈 | 林妈 |