Brother Shan, the undercover in the Major Crime Unit in West Kowloon sent a tip to Sir Wei, the senior inspector saying that the biggest drug trafficker in Hong Kong, “Mr. Jin” would deal the largest amount of drugs of this year himself with the money involved being 20 million dollars. However, this time, the deal is actually a strategy by the drug traffickers to lure the police undercover out. The undercover Brother Shan was accidentally exposed and the drug traffickers were chasing him in full force. On the other hand, suddenly, his undercover identity was no longer recognized and he got caught in the conflict between the good and the evil. Brother Shan needs to “prove his innocence” in time and smash the scheme of the big drug trafficker “Mr. Jin".

A small film scriptwriter found a treasure map among his grandfather's belongings by accident, and the location of the treasure is underneath the prison in Chilang Bay.

Due to the typhoon, a truck transporting chemicals was involved in a car accident, causing harmful gases to spread throughout the island. When the situation is urgent, Xiao Feng, a retired soldier, must use his ability and Su Yue, who is also a doctor, to help innocent citizens avoid harmful gases and help everyone escape.

Hong Kong, 1996. Wang Cui Ying was held hostage by robbers at her wedding and witnessed her husband dying under the guns of bandits. Unable to get out of the haze, she now works in an archery hall. On the night of the typhoon, she accidentally stayed in the building, witnessed the same gang of bandits killing people in it. While escaping from them, she accidentally stumbles upon a blind man, Nan Ge. From that moment, they both try to escape from the bandits, in the building that has turned into a death trap.