The Policeman's Lineage is a 2022 South Korean action thriller film directed by Lee Kyoo-man, and starring Cho Jin-woong and Choi Woo-shik. The film, based on the Japanese novel of the same name by Joh Sasaki, is about two cops with different methods forming a team to investigate a case that turns the police force upside down. The film was released theatrically on January 5, 2022.