Ma Seok-do works as a detective squad chief. His team struggles to bust a criminal ring who originally came from Yanbian, China and led by Jang Chen.

The fierce psychological confrontation between a detective and a killer who confessed to multiple murders.

The film is about a physical education teacher named Gi-cheol who is assigned to a countryside high school due to an unfortunate incident, and a student named Yoo-jin who questions…