The Drug King (Hangul: 마약왕; Hanja: 麻藥王; RR: Mayakwang) is a 2018 South Korean crime drama film written and directed by Woo Min-ho.[4][5][6] It stars Song Kang-ho as Lee Doo-sam, an ordinary small-time narcotics dealer who becomes an infamous drug lord in Korea during the 1970s. The film also features Jo Jung-suk as a prosecutor from Seoul who ..