A story of "dedication and legacy" among two generations of railway workers at the Happy Ridge Station Signal Crew on the Qinghai-Tibet Railway.
| Actor | Role |
|---|---|
 Wu GangNot listed | Not listed |
| LLu QichiNot listed | Not listed |
 Wang ZiyiNot listed | Not listed |
| SSunje TsoNot listed | Not listed |
 Ma BiaoNot listed | Not listed |
 Song YuNot listed | Not listed |