The BEST seasons of WATCHER (2019)

Every season of WATCHER (2019) ever, ranked from best to worst by thousands of votes from fans of the show. The best seasons of WATCHER (2019)!

A tragic affair destroyed the lives of Do Chi-gwang, Kim Young-koon and Han Tae-joo. They then became members of an internal affairs investigation team for the police, and they tried to dig up the truth on who was behind the tragic affair.