Lee Na Young (Kim Ha Eun) was trained to be an assassin after bing rescued from servitude when her high ranking father was convicted of treason. Her childhood sweetheart Park Sang Kyu (Jin Yi Han) who had returned from studying abroad and worked as a government official was looking all over for her. So did her former servant Yang Man Oh (Lee Chun Hee) who had become the leader of the merchant group. The three got entangled in a conspiracy against the Emperor who was determined to carry out reforms to create a new Korea whereby the class system would be eliminated.


Cast
# Jin Yi Han as Park Sang Kyu
# Kim Ha Eun as Lee Na Young
# Lee Chun Hee as Yang Man Oh
# Ahn Nae Sang as Emperor Im Keum
# Jung Ae Ri as Dae Bi (Dowager Queen Mother)
# Kim Young Ae as Han Sang Koong
# Sa Hyun Jin as Park Sang Koong
# Kim Kyung Ryong as Han Doo Hee
# Jang Hyun Sung as Lee Jae Han
# Kim Ki Hyun as Shim Min Goo
# Jun Il Bum as Shin Sung Doo
# Han Jung Soo as Seo Joo Pil
# Park Sun Young as Court Lady Jo
# Go In Bum as Kang Geuk Soo
# Kim Myung Kook as Hong Haeng Soo
# Park Pal Young as Hong Man Ki
# Park Chul Min as police chief
# Lee Dae Ro as No Gaek Joo
# Jung Jin as Kang Jae Soon
# Im Seo Yeon as Wol Hyang
# Lee Mi Ji as Eom Ssi (Sang Kyu's mother)
# Park Soo Hyun