After being blinded in a coup against the king, Joseon's greatest swordsman goes into hiding, far removed from his city's anguish. But when traffickers kidnap his daughter, he has no choice but to unsheathe his sword once more.
Kingdom of Goguryeo, ancient Korea, 645. The ruthless Emperor Taizong of Tang invades the country and leads his armies towards the capital, achieving one victory after another, but on his way is the stronghold of Ansi, protected by General Yang Man-chu, who will do everything possible to stop the invasion, even if his troops are outnumbered by thousands of enemies.
After the death of their father, two siblings are raised by their father's best friend. However, when one gets kidnapped just before her wedding, the other rises against the Manchus.
Ancient Korea, 17th century. The powerful Khan of the Jurchen tribe of Manchuria, who fights the Ming dinasty to gain China, becomes the first ruler of the Qing dinasty and demands from King In-jo of Joseon to bow before him; but he refuses, being loyal to the Mings. On December 14th, 1636, the Qing horde invades Joseon, so King In-jo and his court shelter in the mountain fortress of Namhan and prepare to defend the kingdom.
927 AD. The Killer-Blade Army has toppled the ruling dynasty, plunging the kingdom into chaos. The only remaining heir, Prince Jung-Hyun is living in exile, unaware of his family's dark fate. Still loyal to the dynasty, the beautiful and deadly warrior Soha sets out to find Jung-Hyun and guide him to become the great leader he was born to be. But with the Army's greatest assassins and the criminal underworld hunting them, Soha and Jung-Hyun are swept into an explosive, non-stop battle of swords, wits and bloodshed as they fight to reclaim the fallen throne.
During the reign of King Sejong in the 15th century, the Joseon Dynasty was the embodiment of the perfect state. To the Ming China, the aspiring imperial power, Joseon presented an obstacle to territorial expansion. To protect themselves from war, King Sejong develops a secret weapon to defend their territory and take back their land and supremacy.
In the 11th year of Kwang Hae-gun, Jo-seon soldiers go to war with China after an invasion. In the middle of Manchu, three people who have barely survived are being cornered by the Chinese forces, and begin a bloody battle not with their enemies but with their friends.
Seol Hie loses her parents and eyes to the murderous brutality of General Woo Shin-tak. She trains herself in swordsmanship and martial arts for the next two decades before setting out to even the score with Woo.