The injured general Wu Hezheng went to a small border town to recuperate from his injuries, and met Shuisheng, a young man from the Miao village. The huge age and concept differences between the two have become the reasons for their mutual attraction. Shuisheng's eldest brother Hei Ge tried his best to oppose the two, but accidentally exposed a secret buried deep in his heart...
In the Tibetan village on the other side of the river, a family suspicion is causing waves. What will happen to the invasion of foreign enemies and the barbaric land?
And the long river in the valley is still running day and night...