King Young Jo commences a brutal torture for the Crown Prince Sado. A new addition to the royal court, Song Yeon, runs into Dae Soo as he attempts to escape.

Crown Prince Sado's son, Yi San, works to save his father as well as Dae Soo with the discovery of a painting. Song Yeon decides to help the dangerous rescue attempt.

Using the painting, Yi San's plan to save the life of his father is ignored by an angry King Young Jo. Devastating news concerning the death of Crown Prince Sado reaches Yi San.

The discovery of weapons at the East Palace causes King Young Jo to seek information about those around him. Yi San continues his attempt to prove the innocence of Crown Prince Sado.

Yi San survives an attempt on his life by an unknown man but the potential murderer commits suicide. Princess Hwa Wan talks to her father then meets with Choi Seok Ju.

A familiar dead body leads Yi San to information about who is behind the attempts on his life. Song Yeon, with the assistance of Park Young Moon, confronts false accusations of theft.

Song Yeon must prove to Wang Yu that she is a skillful painter. Dae Soo's theft causes problems for the important meeting between Yi San and representatives from the Ching Dynasty.

After assisting Queen Hyo Eui with a task, Song Yeon is kidnapped. Dae Soo attempts a dangerous rescue mission while Yi San orders soldiers to save the captive Song Yeon from Gakjung criminals.

Yi San learns his signature is being forged and uses the help of artists to discover the forger's identity. A terrified Song Yeon tries to alert Lee Chun to her whereabouts.

King Young Jo presents a demonstration about how the forgery could have occurred. Dae Soo plans on taking the entrance test to join the military and become Song Yeon's guard.

The East Palace experiences a brutal attack that leads to the death of some palace guards. King Young Jo gives Yi San the difficult task of questioning prisoners for information about the event.

Yi San disobeys orders to obtain information and ends the prisoner interrogation techniques. Hong Guk Young and Dae Soo find evidence that San is innocent of trying to overthrow King Young Jo.

A surprised Yi San discovers that Han Joon Ho is responsible for the plans against him. Dae Soo leads San and Nam Sa Cho to the vacant area where training occurred for a possible assassination.

Yi San must balance his emotions as he discovers information about Princess Hwa-wan. King Young Jo is shocked to learn that someone close to him is involved in the murder plot.

Princess Hye Bin presents an unique item to Princess Hwa Wan. A member of the royal court gives Queen Hyo Eui information about Song Yeon's encounter with Jung Hoo Gyeom.

Princess Hye Bin commissions Song Yeon to work on a special project for Queen Hyo Eui. San makes a surprise visit to Queen Hyo Eui while Song Yeon is there.

An unknown illness strikes King Young Jo while away from the palace. Empress Jung Soon sends word that Yi San should be killed if King Young Jo fails to survive the sickness.

Opponents to the prince attempt to stage a coup by returning the ailing King to the palace. The empress wants to know why Yi San is unhappy to see the king.

Yi San faces the difficult choice of allowing Princess Hwa Wan to live for another day. Preparing for the possible death of King Young Jo, Empress Jung Soon issues a command.

Yi San is now in charge of looking after the kingdom and working with its officials on important matters. Hong In Han receives encouragement from Choi Seok Joo to start a friendship.

Song Yeon does very well at a contest and receives another commission for her paintings. Yi San asks for assistance from Nanjeon sellers in finding information about a possible Shijeon connection.

Park Young Moon has concerns about Song Yeon's request to teach painting techniques. In order to further his own cause, Jung Hoo Gyeom destroys something meant for Han Seong Boo.

Hong Guk Young asks to be removed from his current position and Yi San reluctantly obliges. An angry Princess Hwa Wan receives unwelcome news from Jung Hoo Gyeom about Kim Gwi Joo.

An old man tells Dae-soo that his life is in danger. His dream involved screaming coming from a fire with many people there watching. Dae-soo next tells Hong Guk-young about the old man's vision. Later, Hong Guk-young is alarmed when he learns that minister Lee is organizing a festival that will have bonfires and fireworks.

Ignoring Choi Seok Joo's worries, Empress Jung Soon goes forward with her fireworks scheme. Hong Guk Young feels that something is wrong with the upcoming Naryehee Festival and requests more information.

Yi San pays attention to a shooting exhibition during the Naryehee Festival. Hong Guk Young has concerns about a possible murder attempt but his message for Yi San reaches Kim Gwi Joo.

After searching for Dae Soo in Eugeumboo, Song Yeon goes to Yi San with her concern about his whereabouts. Dae Soo tries to understand more about his kidnappers and their current location.

Yi San is informed that Lord Kim Gui Joo is missing. The prince asks Yi San if he had anything to do with it. However, he denies any involvement. Yi San asks his followers to cover up the disappearance of Lord Kim. He fights to keep his deadly secret away from the prince.

Hong Guk-young plots to trap Jung Hoo-gyeom through a well-crafted message. Jung Hoo-gyeom receives the message and passes it on to some men hiding out in the mountains. The Prince's bodyguards surrounded the men and flushed them out into the open. Later, Jung Hoo-gyeom contacts Hong Guk-young and pleads for his life and informs Hong Guk-young of a bigger, more sinister plan in the works.

The king must find out who is responsible for killing the prince. While he believes her majesty was behind it, her loyal follower refuses to point the finger at her. Yi San knows the truth but does not want to risk the life of her majesty. In the process, he is also risking his chance at the throne.

Princess Hwa-wan wants to put Jung Hoo-gyeom on the throne in place of Empress Jung-soon. Princess Hye-bin finds out her son, Yi San, has been out drinking with friends.

The highness summons Song Yeon to the castle to question her about the prince. However, she is leery about giving out information. After refusing to answer questions, the highness threatens Song with lashes from the cane. She warns Song to stay away from the prince. Song finds herself choosing between love and death.

Yi San hurries to catch his lover before she departs for the Ministry of Culture. Later, the King's mother makes a troubling request. Yi San plans a trip to Oh Nyang while treachery brews within a scheming cabal. The prince's royal guard meets a challenging foe.

Yi San negotiates with Minister Choi Seok-joo to stop the fighting. He asks what the minister wants to do to end the conflict. King Young-jo may be experiencing dementia.

Princess Hwa-wan arranges for a failed assassination attempt of Minister Choi Seok-joo because he agrees with Yi San. Song-Yeon went to China because she was banished from the palace.

Song Yeon finds herself unconscious from a rare illness. The prince scrambles to bring in a physician to help her. However, he finds that a cure is not meant to be. After several weeks, Song Yeaon regains her health. Upon her recovery, notable figures fight to keep her away from the prince that saved her life.

Princess Hwa-wan holds a Noron Faction meeting but is shocked to see Empress Jung-soon in attendance. She is escorted out of the meeting. King Young-jo is still ill.

King Young-jo's dementia gets worse. Hong Guk-young inspects the king's medicine. A mysterious painting for the king is inspected for clues by Nam Sa-cho and Song-yeon.

King Young-jo makes plans for Yi San's succession to the throne. When Empress Jung-soon learns of the king's intentions, she tells followers about the need for Yi San to die.

The king orders his followers to gather all herbs in local communities. The herbs are needed to heal the ailing princess. Not only does the king want all herbs, but all physicians are also to report to him. However, his demands are intercepted by the queen. The prince must fight to save the princess' life.

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King Young-jo wants strict punishments for the rebellious Noron Faction. Yi San wants to administer the punishments. Minister Choi Seok-ju wants additional punishments to keep the king's health a secret.

Princess Hye-bin thanks Song-yeon and Queen Hyo-eui visits Yi San at the shooting range. Prince Yi San visits an upset Empress Jung. Her war crimes are a secret but she still faces punishment.

King Young-jo collapses after giving a ring to Song-yeon for drawing Prince Sado's portrait. The king sends a letter to Yi San, expressing remorse about his behavior and asking for forgiveness.

The Noron Faction plans another assassination attempt to eliminate Yi San. Jung Hoo-gyeom's assistant is discovered carrying the assassination message. Prince Yi San stops Hong Guk-young from arresting Jung Hoo-gyeom.

Prince Yi San wants to interrogate rebels about their failed coup. Palace guards capture Jung Hoo-gyeom and Princess Hwa-wan at the border. Empress Jung-soo faces interrogation by Hong Guk-young.

The town has shut down after criminals are beheaded when charged with treason. As Mak Soon arrives, she is quickly whisked upfront to see the beheading. However, the king has delayed the beheading. Townspeople from all over have arrived to protest the beheading. This puts the king in an awkward position.

The palace army has began fighting each other to prove their worth to the king. However, the kings top guards were left out of the loop because the king no longer trusts them. The king sends his majesty to find men who are trustworthy enough to protect the palace and him.

Queen Hyo-eui proposed that Song-yeon go back to the palace. Song-yeon ponders the suggestion for a long time. She is also amazed at the fact that Dae-soo has finally told her how he feels about her and she can't hide her feelings.

There is an epidemic in the kingdom. Clerics are meeting with Yi San who called the meeting. During the meeting, Jang Tae-woo gives Yi San some startling advice. On the other hand, Jang Tae-woo's real thoughts about Yi San are revealed. Later, Hong Guk-young makes plans for a sister to come to the palace but Queen Hyo-eui has other plans.