Plot
Detective Jang Do-jun is chasing Gang Gi-taek, a terrorist. Gi-taek used to be an elite agent of the intelligence bureau before he was driven out. Now he has turned into an assassin and is wanted by the police. On the day the newly elected mayor is scheduled to visit the subway, Gi-taek plans to capture the subway train for a large-scale terrorist scheme. In-gyeong a pickpocket, catches on to Gi-taek’s plan and calls Do-jun. He gets on the train and risks his life trying to stop the train which has gone out of control. In-gyeong and the passengers want to stay by his side. Will he succeed in stopping the subway train and saving them?
