Shadowless Sword is a 2005 Korean film starring Lee Seo-jin, Yoon So-yi, and Shin Hyun-joon. A martial arts epic filmed in China, following the exploitation of the journey by the last prince of the Balhae Kingdom, who hid his identity in a small village until called to fight. with invaders from Khitan. It was released in North America, UK and Ireland by the new movie line on DVD in the form of The Legend of the Shadowless Sword.
The film is set after the fall of Sanggyeong, the capital of Bohai, in 926. The Eastern Danes of the Chucksaldan (also known as the Army of the Slayers) to find and destroy the last remaining member of the family. Balhae's royal family, Prince Jeong-hyun in exile, aims to prevent Balhae's possible reconstruction. On the other hand, Prime Minister Balhae, Lim Sun-ji, sends a talented young swordswoman Yeon So-ha, to find Prince Jeong-hyun first and bring him back safely. Jeong-hyun reluctantly comes and fights for the throne, still bitter about his difficult exile. The rest of the drama follows the journeys of So-ha and Jeong-hyun as they fight back to the capital, fall in love, and can Jeong-hyun re-create the collapsed kingdom of Balhae?
Lee Seo-jin as Dae Jeong-hyun, the last prince of Balhae.
When Dae Soo-hyun, the last member of the royal family killed by Chucksaldan, the prime minister of Balhae Lim Sun-ji is reminded of a royal figure in an atmosphere of grief. Dae Jeong-hyun, the last prince of Balhae, has been forgotten in everyone's memories since he entered the war with the Kheyan army and lived in seclusion 14 years ago. Now he is the only hope.
Yoon So-yi as Yeon So-ha, Balhae's best swordsman.
Yeon So-ha with a graceful and straightforward image is Palhae's best female warrior, who always carries an invisible sword (Mooyounggeom) and demonstrates excellent sword skills. She accepted the task of bringing Daejeonghyun safely to the military camp to make him the king of Bohai.
Shin Hyun-joon as Gun Hwa-pyung.
Gun Hwa-pyung was the son of a general / official of Bohai, who was executed by Dai Nhan Soan, the last king of Bohai. Gun Hwa-pyung somehow survived the execution and escaped to the mighty Khitan. He and a few other Balhae defectors have gathered together to form Chuk Ssal Dan (or Army of the Slayers). He and this organization are under the control of a governor of Dongdan. Hwa-pyung vowed to take revenge on the Balhae Royal family for destroying his entire family. Hwa-pyung secretly conspires to kill all members of the royal family, betray his master, and place himself on the throne of Balhae to be the king of a new kingdom. This plan doesn't seem to work for him, as he finds that the last prince of Balhae has some private secrets for him to share.