You Can't Stop a Flowing River

In 1862, amidst the rule of the late Joseon dynasty in Korea, a band of fighters named Kundo rise against the unjust authorities.

Kingdom of Joseon, ancient Korea. A usurper has conquered the throne. His ministers are being systematically eliminated by a mysterious assassin. An arrogant master swordsman is in charge of putting an end to the carnage.

When King Cheol-jang dies, the throne passes to his son King Ko-jang but, because he is considered to be too inexperienced, his ambitious uncle rules as regent. The rightful king's wife, the politically brilliant Queen Min, refuses to accept this situation and brings about the uncle's exile in order to secure the throne.

There was Goo Ma-jeok before there was Kim Doo-han. Goo Ma-jeok had the strongest power in all of Joseon. He was the boss of Umigwan and a legendary man from the streets of Jongno. A new 'Age of Wild Men' begins.

Admiral Yi Sun-sin faces a tough challenge when he is forced to defend his nation with just 13 battleships against 300 Japanese enemy ships in the Battle of Myeongryang.