Set in the constitutional monarchy in an imaginary South Korea, South Korea's Crown Prince Lee Jae Ha is forced to join the World Officers Competition, WOC, by his brother. There, he meets North Korea's strongest female devil instructor Kim Hang Ah.
하지원
as Kim Hang-ah
이승기
as Lee Jae-ha
이윤지
as Lee Jae-shin
조정석
as Eun Shi-kyung
윤제문
as Kim Bong-gu
윤여정
as Bang Yang-seon (the Queen Mother)
이성민
as Lee Jae-kang (the King)
이순재
as Eun Kyu-tae
정만식
as Rhee Kang-seok
Kwon Hyun-sang
as Yeom Dong-ha
박건태
as Lee Jae-kang (young)
Kang Han-byul
as Lee Jae-ha (young)
Episode 1
Episode 2
Episode 3
Episode 4
Episode 5
Episode 6
Episode 7
Episode 8
Episode 9
Episode 10
Episode 11
Episode 12
Episode 13
Episode 14
Episode 15
Episode 16
Episode 17
Episode 18
Episode 19
Episode 20
