Video information
Ding Xiaojia (played by Sherry Yuan), who comes from the lowest strata of Hong Kong society, becomes a police officer and returns to the bustling and mixedPolo Street as an undercover agent to gather intelligence for CID Inspector Kang Daoxing (played by Ricky Yu). However, during the investigation into the criminal activities of the triad leader You Dafu, Daoxing is unexpectedly killed. On his deathbed, Daoxing deletes the records of five undercover agents, including Xiaojia, to prevent their identities from being exposed. Afterward, Daoxing's colleague, Senior Inspector Zhuo Kai of the Criminal Intelligence Department (played by Wilson Yip), contacts Xiaojia and asks her to help find the other four undercover agents and gather evidence of the criminal activities of anperiphery gambling group. Following this, Xiaojia intersects with the capable henchman of the gambling group, Xue Jiaqiang (played by Raymond Lam), and becomes entangled in a series of intense confrontations and clashes between the police and criminal gangs, as well as between different triad organizations. This sets the stage for an extraordinary undercover legend that leaves viewers in awe...