King of fighters is an action film starring, and directed and written by. The play tells the story of Hai Zhenglan (Zhang Zhenlang), who doesn't know Thai boxing, trying to help his brother Hai Zhengxi (Tan Junyan) get justice and challenge boxing champion Shi Aoshan (Li Yaoxiang).

In the plot, with the help of his brother, Hai Zhenglan gradually grows into an excellent boxer and finally challenges boxing giant Shi Aoshan. In this process, he not only learned Thai boxing, but also discovered the secret between himself and his brother.