The Prison (2017) Instant

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

: A high-ranking official involved in the prison's corrupt administration. Film Production & Reception The Prison (2017) - IMDb The Prison (2017)

: A prominent inmate and part of Ik-ho’s inner circle. is a South Korean action-crime thriller that follows