It stars Ma Dong-seok (Don Lee) as the formidable gang leader.
– Without spoilers, the final 20 minutes are a masterclass in suspense and brutal justice.
The story is set in the city of Cheonan, South Korea, in 2005. A brutal serial killer, nicknamed “K” (Kim Sung-kyu), murders without motive or mercy. His latest victim? A member of a local gang led by the fearsome Jang Dong-su (Ma Dong-seok, also known as Don Lee).