Modern people drunkenly traveled through the 1980s and merged with the world of Hong Kong entertainment, possessed Chen Yunhao, the young and Dangerous boy in Mong Kok, and became a low-level pony under the command of boss B. Seeing through the miserable fate of the low-level gangsters, relying on the plot of Hong Kong movies, he planned step by step to gather forces and crush all the big guys to become the leader of the Hong Kong underworld.