The film is about the time period in 17th-century. The Joseon reign was a unstable phase of socio-economic in Korea. The aristocracy class ruling the country was only interested in their wealth, they exploited and persecuted the poor. After the appearance of KunDo, he brought confidence and hope for the people here. But then KunDo killed Jo-Yoon’s mother, he began to be very angry and from that is  the intense fighting between good and bad.