The story is loosely inspired by the , involving serial kidnappings and murders of South Korean tourists in the Philippines between 2008 and 2012. Franchise Future The series has continued with several sequels: The Roundup: No Way Out (2023). The Roundup: Punishment (2024).
as Ma Seok-do: The formidable Lieutenant of the Major Crimes Unit known for his "tank-like" physical presence and blunt force justice. The Roundup (2022)
: It became the highest-grossing South Korean film of 2022 and the first to surpass 10 million admissions since the start of the COVID-19 pandemic. The story is loosely inspired by the ,
as Jang Yi-soo: A former gangster turned tour agent who provides reluctant assistance to the police. Box Office and Cultural Impact The Roundup (2022)