Shadowless Sword (Hangul: 무영검; RR: Muyeonggeom) is a 2005 South Korean film starring Lee Seo-jin, Yoon So-yi, and Shin Hyun-joon. A martial arts epic filmed in China, the film follows the exploits of the last prince of the Balhae Kingdom, who hides his identity in a small village until he is called to battle invaders from Khitan. It was released in North America, the United Kingdom and Ireland by New Line Cinema on DVD as The Legend of the Shadowless Sword.