Shadowless Sword (Korean: 무영검; Hanja: 無影劍; RR: Muyeonggeom) is a 2005 South Korean film starring Lee Seo-jin, Yoon So-yi, and Shin Hyun-joon.

[2] 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.

[3] It was released in North America, the United Kingdom and Ireland by New Line Cinema on DVD as The Legend of the Shadowless Sword.

Prime Minister Lim Sun-ji, on the other hand, sends a young, talented swordswoman, Yeon So-ha, to find Prince Jeong-hyun first and bring him back safely.

Jeong-hyun, however, is reluctant to come and fight for the throne, still bitter about his unfair exile.