A Juan, an unknown person who came to Shanghai to work, agreed to participate in the "Shanghai Fight Night" martial arts competition on behalf of the declining Chuanwu Boxing Gym in order to make money to treat his father's illness.

A Juan, an unknown person who came to Shanghai to work, agreed to participate in the "Shanghai Fight Night" martial arts competition on behalf of the declining Chuanwu Boxing Gym in order to make money to treat his father's illness. For this reason, he must defeat all the masters, prejudices and himself.