Hong Kong Comprehensive: Zero-Dollar Purchasing System, Competing with Huatian for Gold Shops

Time travels back to the 1980s and Liansheng is dragged into the "Informer" gold shop robbery case, and the zero-yuan purchase system is activated - drinking the strengthening potion to gain master's fighting and gun skills. The gangster who stole the stolen goods counterattacked, and took advantage of the information gap between the police and the gangsters to gain the upper hand and win the white paper fan, and finally became a new rich man in Hong Kong.