A story of Lin Rilang, a father and husband whose son is diagnosed with an enlarged heart, gives all his efforts to collect money for his son's operation.
Unfortunately the movie Fireflies in the Sun is not yet available on HBO Max.
| Directing | Dai Mo | Director |
| Production | Chen Sicheng | Production Supervisor |
| Camera | He Shan | Director of Photography |
| Writing | Li Peng | Writer |
| Production | Liu Xiaoyang | Associate Producer |
| Sound | Hu Xiao'ou | Original Music Composer |
| Editing | Tang Hongjia | Editor |
| Art | Zhao Xuehao | Art Direction |
| Costume & Make-Up | Stanley Cheung Sai-Kit | Costume Design |
| Costume & Make-Up | Law Pui-Sho | Costume Designer |
| Sound | Li Tao | Sound Director |
