The Prison (2017) -

: Under Ik-ho’s leadership, prisoners are allowed to leave the facility at night to commit high-profile crimes—including murders, heists, and blackmail—before returning to their cells, providing them with a perfect alibi.

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

: The ruthless, calm, and manipulative "King" of the prison who controls everyone within the walls. The Prison (2017)

: 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 : Under Ik-ho’s leadership, prisoners are allowed to

The story centers on (Kim Rae-won), a former elite detective known for his 100% arrest rate. After being sent to prison for a hit-and-run accident, he discovers that the entire facility is actually a headquarters for a crime empire.

: The syndicate is led by Ik-ho (Han Suk-kyu), an inmate who has the warden and guards in his pocket. : An intelligent and reckless ex-cop on a

: A prominent inmate and part of Ik-ho’s inner circle.