Watcher

Watcher (; stylized as WATCHER) is a 2019 South Korean television series starring Han Suk-kyu, Seo Kang-joon, and Kim Hyun-joo. It aired on OCN every Saturday and Sunday at 22:20 (KST) from July 6 to August 25, 2019. Synopsis A brutal murder committed 15 years ago turned three lives upside down. A decade and a half later, the trio – brought together by fate – goes on the hunt for answers. Cast Main Han Suk-kyu as Do Chi-kwang A detective who has caught many criminals during his career. He hates corruption within the police and becomes leader of the internal affairs investigation team to find the truth about a particular incident. Seo Kang-joon as Kim Yeong-goon A police officer who joins Do Chi-kwang's team after they become involved in the same incident. Kim Hyun-joo as Han Tae-joo A former prosecutor turned lawyer after she got involved too deep while working on a case and almost died. She starts working with Do Chi-kwang and Kim Yeong Goon.