The film focuses on the touching deeds of aiding Tibet and teaching in Tibet, and tells the story of Han Song (played by Fan Jiaqi), a college student from Beijing, who responded to the country's call to go to Tibet to support teaching.
| Actor | Role |
|---|---|
 Fan JiaqiHan Song | Han Song |
 Wang ZhuocuoGasan Meido | Gasan Meido |
 Wang HaixiangGasan Lanzo | Gasan Lanzo |
 Ding JianjunChairman Ceng | Chairman Ceng |
| LLi SitongSen Ge | Sen Ge |