Episode 1 - Episode 1

A rumor about how Prince Hwan has been cursed by a ghost has spread throughout the country. He has a dark secret he can't tell anyone. People who are trying to get Hwan dethroned prepare a trap and Hwan must stand against them. Meanwhile, the one who killed Hwan's Master comes to see him of her own free will.

Episode 2 - Episode 2

After facing a crisis at the hunting grounds, Hwan finds himself in an unbelievable situation. Jae-yi claims that she's innocent and blames Hwan for the death of her family. Hwan is confused when he finds out Jae-yi knows about his secret. Meanwhile, Jae-yi's servant disguises herself as a man to learn from the mad scientist, Kim Myeong-jin.

Episode 3 - Episode 3

Hwan can't trust Jae-yi and tells her to come find him in the East Palace on her own. To get there, Jae-yi turns herself into a eunuch. Meanwhile, Seong-on is shock to learn that his father might have something to do with the written prayer incident.

Episode 4 - Episode 4

Hwan gives Jae-yi a second test. She must figure out why the messenger he sent to Master Min's house was killed and Jae-yi finds out it has something to do with Hwan. And finally, Hwan gives the last test which is to solve a serial murdercase. Now Jae-yi must face her fiancé.

Episode 5 - Episode 5

Hwan, Jae-yi, Myeong-jin and Ga-ram finally meet. They head out to solve the Cardinal Point case. Meanwhile, Seong-on feels humiliated since he's competing against Sun-dol and feels upset when he sees Hwan and Sun-dol together.

Episode 6 - Episode 6

Jae-yi proves herself by solving the Cardial Point case and Hwan starts to trust her. Hwan listens to what happened to Jae-yi's family and trusts that she is innocent. Seong-on and Jae-yi run into each other by accident and she finds out Seong-on has been carrying something that has something to do with her.

Episode 7 - Episode 7

After Hwan decides that he can't trust Jae-yi, he kicks her out of the palace. Ga-ram is ordered a chusoeryeong and is put in danger. Seong-on is curious as to why Hwan is looking into the case of his ex-fiancé and Hwan feels lonely now more than ever without Jae-yi.

Episode 8 - Episode 8

The Prince's Guards and the War Department has a match of polo while Jae-yi watches. The interrogation of the shaman begins and she starts to curse the royal family which brings chaos to the capital and the palace.

Episode 9 - Episode 9

The palace and the capital is in chaos after the shaman's curse. Cho Won-bo turns the crisis into an opportunity and starts to pressure the royal family. Hwan and Jae-yi tried to prove that a human set fire to the plum tree and they find out that the real culpirt is someone they didn't expect.

Episode 10 - Episode 10

Episode 11 - Episode 11

After finding the royal secretary's journal suspicious, Hwan starts investigating what happened in Byeokcheon and the dried peony petals. After getting a mysterious letter, Cho Won-bo tries to subjugate the remnants of the thieves.

Episode 12 - Episode 12

Hwan teams up with Jae-yi and Seong-on to find a way to leave the palace after getting confined. Jae-yi finally remembers the face of the messenger who was at her house and is in shock. She runs to Hwan after realizing he's in danger.

Episode 13 - Episode 13

Jae-yi claims that her memories are true, but Hwan trusts Tae-kang which confuses Jae-yi even more. Meanwhile, to each Myung-jin a lesson, Ga-ram steps up. Hwan leaves with Jae-yi and Seong-on after finding the man who tampered with the written prayer is in Paju and get themselves in danger.

Episode 14 - Episode 14

After returning to the palace, Hwan tries to send Jae-yi to Seong-on because he doesn't want Jae-yi to get hurt anymore. Meanwhile, a mysterious woman comes to Seong-on's house. The bounty hunters go to Jo Won-bo about Ga-ram and while having a good time at the inn, Hwan, Jae-yi, Myung-jin and Ga-ram are faced with another murder case.

Episode 15 - Episode 15

The Manyeondang group manages to get the bracelet Shim Yeong gave to Jae-yi and start to figure out how Jae-yi's family was murdered. The King announces that the Crown Princess selection will take place soon, so Hwan gets ready to let Jae-yi go. Meanwhile, Prince Myeong-han, who was suffering from nightmares, says something shocking.

Episode 16 - Episode 16

The Queen is furious that Won-bo used her son, Prince Myeong-ahn. Hwan tries to meet Park Han-su to find out what happened in Byeokcheon, but Jo Won-bo makes a move first to stop him from talking. Meanwhile, Princess Ha-yeon makes a risky decision to help Prince Myeong-ahn get better and the Manyeongdang group takes a huge step toward the truth.

Episode 17 - Episode 17

Princess Ha-yeon and Prince Myeong-ahn leaves the palace to meet Monk Mu-jin and an assassin follows them. Hwan and Jae-yi ask Tae-kang about the new mystery they unfolded, but Tae-kang says he doesn't know anything about it. Meanwhile, the Queen tells Seong-on the truth about Jae-yi and Jae-yi finds herself in danger.

Episode 18 - Episode 18

Seong-on finds out Sun-dol is acutally Min Jae-yi and feels betrayed. Meanwhile, Tae-kang tells Hwan everything about his secret. Hwan, Jae-yi, Myung-jin and Ga-ram takes one step closer to the truth and starts to track down the secret letter Min Ho-seung left behind, but another crisis hits them.

Episode 19 - Episode 19

After finding out what's written in the jikgeumdo, Hwan and Han Jung-eon are in shock and Jae-yi gets arrested for murder. Hwan is even more shocked to hear Jae-yi admit everything. Jo Won-bo demands that the Crown Prince gets deposed. Meanwhile, Seong-on gets an order from the Queen in secret.

Episode 20 - Episode 20

After finding out about the Queen's secret, Jo Won-bo is furious and the Queen makes a decision when Won-bo threatens her son. Meanwhile, the six arrive at Naewang Village and Hwan tries to convince them. Just then, Jo Won-bo comes once again to slaughter them.