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.
Ancient Korea, 17th century. While the paranoid King Lee Jo of Joseon, vassal of the Qing dynasty, feels surrounded by conspirators and rebels, a dark evil emerges from the bowels of a merchant ship and the exiled Prince Lee Cheung returns to the royal court, ignoring that he will have to lead the few capable of defeating the ambitious humans and the bloody monsters who threaten to destroy the kingdom.
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.