The chain of events is twisted when Yeon unfortunately witnesses her sister being gang raped. She is then filled by anger and takes her life on a vengeance road by castrating every man she comes across. While running from the police, Yeon meets the owner of Joseon's most famous brothel, Gye Wal. Leaving her past behind, she now serves a new purpose and that is: to become the most wanted gisaeng.