The story of power games and hidden secrets of Jang’s family who has ruled the city of Bukcheon for three generations.

Jang Joon Seo (Jin Goo) is the second son of family leader Jang Bum Ho (Park Geun Hyung). A woman who Jang Joon Seo loves dies. After that, he tries to reveal the truth about her death and a secret from his family.