One year after drug lord Mao Zi murders anti-narcotics officer Xiao Yu, his partner Lao Xiang feigns madness to hide her identity while living with Ying Shu, Mao Zi’s associate, waiting for a chance at revenge. When police learn that Mao Zi will use taxi driver Liu Ji to transport drugs, they intercept him and recruit him as an informant. Reluctantly, Liu Ji agrees to help the police, leading him and Lao Xiang to cross paths by the salt lake as they embark on a dangerous journey together.
After a natural disaster, the Zhao and Liu villages merges together with the help of the village branch secretary Zhao Shuhe, who works to eliminate poverty and heal the grudges between the two villages.
The film "The Master of Southern Fist" is based on the character of Liu Yamei, a great master of his generation. He was born in the Qing Dynasty during the Xianfeng period. As a teenager, he travelled with his uncle from the village of Bangtang in the east of Haifeng County to Fair Market to earn a living. He studied under the famous boxing master Cai Jun, and later he created the "Throughput" style of boxing by combining the internal and external styles of martial arts. In the 1920s and 1930s, he was one of the three leaders of Southern Boxing. According to the film's director, the film focuses on the story of Liu Yamei, who fights opium and upholds justice to fulfil his master's last wish.
Uncle Ying and Uncle Ho, use science and reason as a starting point to find the truth behind supernatural phenomena such as strange powers, to dispel superstitions and to smash the man-made conspiracies lurking in the shadows.