[Introduction]
The boxing champion returns to the arena and the underground casino is on the rise again
Boxer Tian He accidentally kills his good brother Zhuo Feng in an underground boxing match. Feeling guilty, he chooses to turn himself in, and the casino is also raided by the police. After being released from prison 12 years later, Tian He retires from the boxing world and makes a living by repairing cars in a car repair shop. Zhuo Feng's younger brother Zhuo Kai becomes a boxer and wants to avenge Tian He. The former underground boxing ring leader Sanada Hengyi also makes a comeback with the support of his assistant Uncle Bao. The son of the local rich businessman Hu Xinghai was beaten to death in a boxing fight. After losing his son, he decided to use his past black forces to avenge his son. At this time, the police also want to use this incident as a clue to catch all the evil forces in one fell swoop...