Warrior Baek Dong-soo (Korean: 무사 백동수; RR: Musa Baek Dong-su) is a 2011 South Korean fusion historical/action television series starring Ji Chang-wook in the title role, with Yoo Seung-ho, Yoon So-yi, Shin Hyun-been, Choi Min-soo and Jun Kwang-ryul.

[1] It aired on SBS from July 4 to October 10, 2011, on Mondays and Tuesdays at 21:55 (KST) for 29 episodes.

[2][3] 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.

[4] 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 (Hong Jong-hyun), by the Qing ambassador, by the Japanese swordsman Kenzo (Lee Yong-woo), and the assassin's guild Heuksa Chorong, the series is a coming-of-age drama about brotherhood, friendship, loyalty and honor.