Is Infernal Affairs coming back?
Infernal Affairs (2016–2017) — drama · action · crime on iQIYI
The answer: Concluded March 22, 2017.
About 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.