Hong Kong Movie: the Day My Eldest Brother Died, I Bought My Sister-In-Law at the Bottom

[Hong Kong movie, cool article, system, upgrade, slap in the face] Haodong traveled through the world of Hong Kong movies and became an undercover agent! What is undercover? Anyway, I'm not the one to do it, so whoever wants to do it will do the same! Making money, building territory, and making movies, which one is not the best thing about being an undercover agent?