After rescuing Chun-hyang from the evil hands of Byeon Hak-do and sending her up to Seoul, Lee Mong-ryong goes back to his undercover work to look into the condition of the people in his country. One day, Lee Mong-ryong spends a night at an isolated house in the middle of the woods, and it turns out that the couple who live there are brutal criminals who plunder and kill people who attempt to travel through the woods. Lee Mong-ryong arrests this couple and turns them over to the local office before hitting the roads again.