Around the turn of the millennium, Tiger City was in turmoil. In order to restore order and reduce crime rates, the government decided to eradicate the corrupt underground entertainment industry and money laundering. The underworld forces represented by Si Ye (played by Zhang Zhaohui) and Zuo Junzhe (played by Wu Zhenyu), the director of the Commercial Investigation Department, secretly manipulated the situation and tried to take advantage of the market opening to fish in troubled waters to compete for the right to operate. The police represented by Jiang Wenfeng (played by Zhong Hanliang) launched a thrilling showdown with them.