Infernal Affairs - Full Series Information, Trailer & IMDb Reviews
Watch Infernal Affairs Season 1 Episode 4 online — it may be available on legal streaming platforms such as YouTube, Netflix, Prime Video, Hulu, Disney+, and others.
Infernal Affairs: Jiang Zi Dan, a Chinese police officer, is sent to Hong Kong to go undercover as a triad member. The same triad sends Wei Jun Xuan as an informant into the police force, to finish what his predecessor had failed to do.