First air date: Apr 17, 2020
Episode duration: 01h 12m
Rating: (8.3) based on 841 votes
Status: Ended Seasons: 1
Episodes: 16
Starring: Lee Min-ho, Kim Go-eun, Woo Do-hwan, Kim Kyung-nam, Jung Eun-chae
Genre: Sci-Fi & Fantasy,
Drama Trailer
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.