A former judo champion quits the tournament cirucit and runs a nightclub. However, when a new challenger appears as well as an old rival and a judo master in need of reviving his school, the young man must go back in training and prepare for the ultimate challenge.
With the nickname Peggy, a new recruit is mentored by Dog-Head, while undergoing on-job training while tracking down a gang of well organized armed heist robbers. The police use the surveillance cameras trying to track their identities.
Exotic dancer Dai Jet Lo (brawny man) has a gift to see through “cause and consequence”. He meets a female cop and uses his gift to help her capture an extremely dangerous murderer. The female cop learns that Dai Jet Lo was once a monk who, due to the murder of a friend, left the monastery to find the killer. The female cop also has a inevitable “karma” that dooms her to die an unnatural death. The duo decide to oppose “cause and consequence” and change what cannot be changed.
After losing control of his car and crashing into a local restaurant, a man loses consciousness on the street. Later, while working on a case, the police’s anti-drug division captain, Zhang Lei (Honglei Sun), realizes that the man in the crash is drug lord Tian Ming (Louis Koo). In order to avoid the death penalty, Tian Ming helps the police put a stop to the entire drug trafficking circuit, but just as soon as the police are ready to make a large bust, Tian Ming makes a decision that shocks everyone involved.