A girl wakes up in a secret laboratory and meets Kyung-hee, who is trying to protect her from a gang. When the gang finally finds the girl, they are overwhelmed by an unexpected power.

A high school student with amnesia tries to uncover what has happened to her. All leading her into deeper troubles ultimately revealing a darkness she could not have imagined.

Warrior Baek Dong-soo is a 2011 South Korean fusion historical/action television series starring Ji Chang-wook, Yoo Seung-ho, Yoon So-yi, Shin Hyun-bin, Choi Min-soo and Jun Kwang-ryul. It aired on SBS from July 4 to October 10, 2011 on Mondays and Tuesdays at 21:55 for 29 episodes. Based on the 2010 comic Honorable Baek Dong-soo by Lee Jae-heon, the series is about how Joseon historical figure Baek Dong-soo grew to become a swordsman and folk hero. Baek was one of the three authors of Muyedobotongji, a pivotal martial arts work commissioned by King Jeongjo. Set against the backdrop of political maneuverings in Joseon between different factions, namely those led by King Jeongjo, by the Qing ambassador, by the Japanese swordsman Kenzo, and the assassin's guild Heuksa Chorong, at its core the series is a coming-of-age drama about brotherhood, friendship, loyalty and honor.