The story follows (Kim Rae-won), a former detective known as the "Wasps" for his 100% arrest rate, who is sentenced to prison for a hit-and-run and evidence tampering. Inside, he encounters Jung Ik-ho (Han Suk-kyu), an inmate who has absolute control over the prison, the warden, and the guards. Ik-ho runs a crime syndicate from within the walls, where inmates leave at night to commit "perfect crimes" before returning to their cells to maintain a flawless alibi. Yoo-gun eventually joins this syndicate, but the film explores themes of undercover missions and deep-seated corruption. Key Cast Members Han Suk-kyu as Jung Ik-ho (The Kingpin)
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