Once Upon a Time in Western Yunnan

The protagonist Zhang Yide of this film is based on the famous anti-Japanese county magistrate of Tengchong. One hot summer day, the family of Lin Guofeng, a Chinese businessman from Myanmar who lived across the river from Tengchong County, was brutally wiped out. Only the youngest daughter of the family, Lin Yiren, was able to escape the clutches because she went out to watch a movie. Lin Yiren crossed the river overnight and was taken in by Zhang Yide, a former friend of the Lin family. But the mysterious murderer who was chasing him also grabbed hold of him and followed him closely. Zhang Ziying and Zhang Zilong are two brothers from the Zhang family. Under the training of their father Zhang Yide, they returned to China after studying and prepared to serve their hometown. Also returning with Zhang Ziying was his friend in Japan, the painter Luo Ping. He was obsessed with the mountains and rivers of western Yunnan and was always busy sketching and painting everywhere. Su Xin is Zhang Ziying's childhood sweetheart. The bandit leader Yang Yanting has long coveted Su Xin's beauty. While Zhang Ziying was studying abroad, he kidnapped Su Xin to a cottage. Su Xin's return from the cottage caused misunderstandings between Zhang Yide and other tribesmen. Zhang Yide tried his best to prevent Zhang Ziying from contacting Su Xin. Zhang Ziying is also doubtful about Su Xin. Only Su Xin knows that her feelings for Zhang Ziying have never changed. Lin Yiren had been in contact with the Zhang brothers for a long time. Now that they were being persecuted like this, the Zhang brothers vowed to avenge him. After careful analysis, Zhang Yide concluded that the matter was by no means a simple homicide. The Zhang brothers are tracing