While going on vacation to Jeju Island with her friend, the wife asks Ui Gang to look after her friend's 17-year-old daughter while they are away. The man isn't thrilled with the idea, so he relievedly lets her spend the night at her classmate's house. But that very night, the girl finds trouble. Ui Gang has to rescue her from local criminals, and they decide to pin the murder on him in retaliation. Now the trouble goes to the gangsters.