Prison (2017) - The

: An intelligent and reckless ex-cop on a dangerous undercover mission.

is a South Korean action-crime thriller that follows an undercover detective who enters a high-security penitentiary to dismantle a crime syndicate operating from within. Directed by Na Hyun , the film is known for its gritty atmosphere and high-stakes power dynamics. Core Premise & Plot The Prison (2017)

: A prominent inmate and part of Ik-ho’s inner circle. : An intelligent and reckless ex-cop on a

: The syndicate is led by Ik-ho (Han Suk-kyu), an inmate who has the warden and guards in his pocket. The Prison (2017)