Hong Kong business tycoon Li Shaobang (played by Huang Jinjian) has long been engaged in the business of speculative trading, leveraging connections in both the business and political sectors to amass ill-gotten wealth. His actions are soon detected by the Commercial Crime Investigation Bureau, with Inspector James (played by Zhang Guoliang) and his partner John (played by Wang Mindai) responsible for the case. James's girlfriend Suki (played by Zhang Min) is a white-collar worker at a company, and her boss, Huang William, has ties with Li Shaobang. John seizes the opportunity to plant a listening device while Suki is attending a business meeting with her boss to discuss matters with Li, discovering the shady dealings between Li, Huang, and Chen Dexin. However, that night, Chen mysteriously dies, and the next day the investigation unit arrests Huang, who is shot on the street. Huang possesses a crucial document that could determine Li's fate, and this document becomes key to solving the case...