Korean emperor Lee Gon tries to close the doors to a parallel world which was opened by demons; a detective tries to protect the people and the one she loves.
Lee Gon
Jung Tae-eul / Luna
Jo Eun-sup / Jo-young
Kang Shin-jae
Goo Seo-ryung / Goo Eun-ah
Lee Rim
Lee Jong-in / Prince Boo-young
Noh Ok-nam
Jung Do-in
Song Jung-hye
Park Moon-shik
Jo Hae-in
Lee Gon's Secretary
Jang Michael / Jang Mi-reuk
Myung Na-ri / Myung Seung-ah
Seok Ho-pil
Kim Hee-joo
Kim Ki-won
Young Lee Gon / Lee Ji-hun
Young Jung Tae-eul
Young Shin-jae / Kang Hyun-min
Moon Seung-ih
Yoo Kyung-moo
Young Yoo Kyung-moo
Min Hwa-yun / Park Sook-jin
Kyu-bong
Detective Shim
Kyung-ran
Park In-young
Lee Jung-hoon
Prime Minster's Adviser
Secretary Kim
Prime Minster's Staff
Kim Sung-ae
