This series and our heroine took place in the Chosun Dynasty.Chae Ok was separated from her brother when her father, a nobleman, was accused of treason. She managed to make her way and becomes a Damo, a low ranked woman detective. Skilled in swordplay, she must not only fight crime, but to face inequality for her status in society. Her brother grew up to be a rebel leader fighting against society injustice and both brother and sister faced off against each other on opposite side of the law.

Cast
    * Ha Ji Won as Chae-Ok
    * Kim Min Joon as Jang Sung-Baek
    * Lee Seo Jin as Commander Hwangbo
    * Lee Moon Shik as Ma Chook-Ji
    * No Hyun Hee as Ta Bak-nyu
    * Park Young Kyu as Jo Se-ok
    * Lee Han Wie as Baek Jo-wan
    * Kwon Oh Joong as Lee Won-hae
    * Shin Seung Hwan as Ahn Byung-taek
    * Yoon Moon Sik as Ahn Nok-sa
    * Jung Wook as Jung Pil-joon
    * Jung Ho Geun as Choi Dal-pyung
    * Kwan Yong Woon as No Kak-chool
    * Ahn Kye Bum as Kato Masayuki
    * Chae Young In as Jo Nan Hee
    * Jun In Taek
    * Jung Min Ah