Secret Royal Inspector & Joy

Yi-eon, a palace worker, gets appointed as the new secret royal inspector; Jo-yi strives to get a divorce from her gambler husband and turns to her best friend for help.

When another murder takes place, Ra Yi-eon is left with no other choice but to investigate the matter; Jo-yi finds something strange at Bo-ri's place.

Thanks to Yi Eon, Joy gets approved for her divorce; an assassin shows up at the local office; Yi Eon decides to find out the truth behind the criminal conspiracy; Yi Eon and Joy run into each other in an unexpected place.

Yi Eon and Joy run into a ghost; Joy begins to chase the ghost and learns a hidden secret; Yi Eon and Joy are told that Soyang Sangdan is riddled with corruption; they sneak into Soyang Sangdan to save the kids who are suffering.

Yi Eon confronts Tae Seo with a sword to save his precious people; when Park Seung hears that the secret inspector appears at Soyang, he dispatches his son Do Soo and his subordinates to hide his disgrace.

Yi Eon looks for a way to enter the base of the Tae Seo; Joy is shocked to learn that Bori's death was not an accident; Joy declares that she will join Yi Eon's investigation to catch the man who killed Bori and find more evidence about the book.