Overview

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.

Cast

Jung Jae-young

Seol-joo

Han Da-gam

Hong-ri

Huh Joon-ho

Chang-gang

Ahn Sung-ki

King Se-jong

Shin Jung-keun

Pan-soo

In Gyo-jin

In-ha

Lee Do-gyeong

Hong-man

Cho Won-hee

Yu-bong

Jeong Seong-mo

Sa Ma-seon

Kim Myung-soo

Kkya Oh-ryung

Ryu Hyun-kyung

Bang-ok

N/A

Seo Ju-sung

Mu-saeng