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...