Detective Ma Seok-do changes his affiliation from the Geumcheon Police Station to the Metropolitan Investigation Team, in order to eradicate Japanese gangsters who enter Korea to commit heinous crimes.
The Roundup: No Way Out is a 2023 South Korean action crime film directed by Lee Sang-yong, starring Ma Dong-seok, Lee Joon-hyuk and Munetaka Aoki. It is the third installment of The Roundup series and the sequel to The Roundup (2022). The film is based on a real-life 2017-2018 illegal drug smuggling case in South Korea involving methamphetamine, which was caught through a collaborative effort of South Korea, Japan and Taiwan.