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.
Ha Ji-won
Kim Hang-ah
Lee Seung-gi
Lee Jae-ha
Lee Yoon-ji
Lee Jae-shin
Cho Jung-seok
Eun Shi-kyung
Yoon Je-moon
Kim Bong-gu
Youn Yuh-jung
Bang Yang-seon (the Queen Mother)
Lee Sung-min
Lee Jae-kang (the King)
Lee Soon-jae
Eun Kyu-tae
Jeong Man-sik
Rhee Kang-seok
Kwon Hyun-sang
Yeom Dong-ha
Park Gun-tae
Lee Jae-kang (young)
Kang Han-byul
Lee Jae-ha (young)
