While investigating a murder case, the king and his loyal assistant uncover a sinister plot that threatens to destabilize the kingdom. Lee Sun-kyun, Kyung Su-jin, Jung Hae-in, Park Jung-min, Kim Eung-soo, Jang Young-nam, Ahn Jae-hong, Kim Hong-pa, Joo Jin-mo, Kim Hee-won, Sun-kyun Lee, Jae-hong Ahn, Hie-won Kim, Jin-mo Joo Added on Netflix 2023-02-24. Youtube Trailer