Overview
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.
Cast
- Lee Min-ho as Lee Gon
- Kim Go-eun as Jung Tae-eul / Luna
- Woo Do-hwan as Jo Eun-sup / Jo-young
- Kim Kyung-nam as Kang Shin-jae
- Jung Eun-chae as Goo Seo-ryung / Goo Eun-ah
- Lee Jung-jin as Lee Rim
- Jeon Moo-song as Lee Jong-in / Prince Boo-young
- Kim Yeong-ok as Noh Ok-nam
- Jeon Bae-soo as Jung Do-in
- Seo Jeong-yeon as Song Jung-hye