As the story unfolds, it becomes clear that Kang's character is loosely based on a real-life gangster named Park Chung-ha, who was active in Busan during the 2000s. Park Chung-ha was known for his brutal methods and his involvement in various crimes, including kidnapping and assault.
Crime, Thriller
The film's narrative is inspired by the real-life events surrounding Park Chung-ha and his encounters with the police. In 2007, Park Chung-ha kidnapped and tortured a police officer, which led to a massive manhunt. The officer managed to escape, and Park Chung-ha was eventually caught and sentenced to prison. is the gangster the cop the devil based on true story