The BEST seasons of WATCHER

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

The lives of Do Chi-Gwang, Kim Young-Koon and Han Tae-Joo were destroyed by a tragic affair. They became members of an internal affairs investigation team for the police and they try to dig up the truth on who is behind the tragic affair.