1930s, Jiangxi Soviet Area. Jiang Mengzi bids farewell to his newlywed wife Xiang Wu'er and joins the main force of the Red Army on the Long March. Xiao Zhenkui, the leader of the "Communist Removal Group", took the opportunity to return to the countryside to launch a white terror. Mengzi's father, chairman of the Township Soviet, and his sister were killed at the same time. The pregnant Wu'er gave birth to a child on the way to escape. Wu'er is found out hiding and forced to work as a wet nurse. Will Mengzi return in time to save his family?
Unfortunately the movie Red Flag on the Green Hill is not yet available on HBO Max.
| Directing | Zhang Junxian | Director |
| Art | Kailu Zhuang | Art Direction |
| Writing | Tan Du | Writer |
| Sound | Wang Yun-Jie | Music |
| Editing | Xueqin Jin | Editor |
| Editing | Hanyong Wang | Editor |
| Sound | Pinsheng Li | Sound |
| Costume & Make-Up | Angkan Lu | Costume Design |
| Camera | Ge Qiu | Director of Photography |
| Costume & Make-Up | Hanyong Wang | Makeup Designer |
| Sound | Guangjie Liu | Sound |
| Art | Han-chen Zhang | Art Direction |
