Hong Kong film: let you go undercover, you are more fierce than the villain

Traveling to a world where Hong Kong movies merged, he became the most powerful undercover agent in the history of Hong Kong movies: Liang Xiaotang!
But he prefers to be called brother laughing!
Binding to the super undercover system, he wants to prove to those so-called undercover agents how to do undercover in this world full of crises. Those like them are nothing more than seeking their own death and being drowned in the sea every minute!
Liang Xiaotang: Do you know why I have not been sus...