Haechi

The King is convinced that the Crown Prince should take his place, just as the appeal requested. However, the Crown Prince realizes that he's been framed and decides to prostrate before the King and ask for reconsideration. Prince Milpoong has a further plan that will bring down the Crown Prince …

The special judiciary agency is opened to investigate the Crown Prince's involvement in treacherous plottings. Wi Byeong Joo was being interrogated but is released and takes charge of the treason case. Dal Moon is now working for Prince Milpoong. He spreads rumors in the city, saying that the Crown …

Byeong Joo set up a treason case, accusing the son and grandson of two Disciples officials of plotting against the king. The Crown Prince visits Jin Heon privately and asks him to side with him for the time being instead of supporting Prince Milpoong. The Crown Prince notices that the posts that …

Prince Yeoning persuades Min Jin Heon to side with him for the moment and stops the special judiciary agency. Meanwhile, Dal Moon turns out to have been secretly supporting the Crown Prince by trying to extract information from Prince Milpoong. The Crown Prince visits Prince Milpoong to help Dal …

Moon Soo and inspectors of Saheonbu arrest Executive Inspector Byeong Joo on charges of murder of Jeong Seok. The king is thinking about what he has done to the Crown Prince and decides to meet with him. Ji Gwang and his men are about to flee to Hamgyeongdo when they are attacked by Saheonbu …

Prince Milpoong murders a guard in the court palace, and the guards issue an emergency. The Crown Prince swears to make Prince Milpoong pay for his crimes. Dal Moon tells Yoon Yeong that he had to deceive Prince Milpoong to save her and help the Crown Prince. Byeong Joo is arrested but refuses to …

Ja Dong is told that there appeared a blood stain in the medical center. Dal Moon tells the Crown Prince that Prince Milpoong looked strange the day he was taken away. The king is suddenly coughing up blood and falls very sick. He decides to appoint the Crown Prince as his deputy to discuss the …

King Gyeongjong suddenly falls ill, and there are suspicions that Prince Milpoong sneaked into the Royal Infirmary. The Crown Prince stops the royal doctors from giving medicine to the King in case it was poisoned. But his position as Crown Prince is endangered as he comes under suspicion of trying …

Moon Soo finds Prince Milpoong in his place of exile and gets him to reveal his plans. He had left a blood mark in the Royal Infirmary so that the Crown Prince would stop the medicine from being given to the King. The poison turns out to have been imported from Qing and is known to have no …

King Gyeongjong dies of poisoning, and a rumor spreads that the Crown Prince let him die intentionally. The Chief Justice blames the Crown Prince and objects to his enthronement. The Crown Prince himself questions himself in self-doubt. But with his former teacher's support, the Crown Prince goes …

The Crown Prince is enthroned with the backing of Queen Dowager. But Lee Geum is surprised to hear that his closest allies decided to resign and leave the palace. The deal was sealed so that the Patriarchs could support the king. Meanwhile, Wi Byeong Joo escapes from his place of exile, and an epidemic begins to spread.

An unidentified plague starts spreading from the southern provinces, and the capital city is soon affected. The commoners start to blame the king who supposedly killed his brother and took the throne. Prince Milpoong and Wi Byeong Joo escaped from their exile place and followed Lee Yin Jwa as he …

Rumors are spreading that the King will abandon the palace and his people and escape from the plague. The number of plague patients is climbing. Dal Moon and his men discover that the wells could have been poisoned systematically. Prince Milpoong is suspected to be behind all this. As the commoners …

The king visits the patients at Hwarinseo and consoles them. The riot is prevented. Moon Soo is pursuing Byeong Joo and finds out that he contacted a guard of the Cheongju armory. The king orders a prescription based on the past Cheongju epidemic, and the patients begin to recover. Queen Dowager also recovers from the disease.

Yin Jwa and his men are planning on a revolt, and Byeong Joo is helping him. It turns out that their spies are also within the palace walls. The king takes notice and prepares the royal guards to search for the spies. The head of the police bureau is arrested, and the rebels are forced to postpone their plans.

The King's palace finds out that Cheongju Castle has fallen. Prince Milpoong and the rebels convince the people of the provinces that he will bring about a new world. Moon Soo and his men volunteer to fight in the battle to guard the capital. The King orders his soldiers to go to the battle and …

The King tries to persuade the Chairman to share the palace positions with the Namin in order to weaken the rebels' motivation. The palace doesn't have enough troops, so they have to decide where to place them. Hearing that the rebels are coming for the capital, high government officials are the …

The rebels are ambushed by the government troops and are defeated. Prince Milpoong and Yin Jwa, however, manage to getaway. The Chairman agrees with the King to share government positions with the suppressed Namins, which conciliates the Namins associated with the rebels. The government troops …

All of the rebels' bases have fallen, and only a few hundred men are remaining. Lee Yin Jwa plans to escape by handing Prince Milpoong over to the royal troops. Meanwhile, Wi Byeong Joo is captured and is punished by law. Yoon Yeong tells Dal Moon where the two escapees are, and Dal Moon asks the …

Lee Yin Jwa is arrested and brought before the King. Prince Milpoong, however, is still on the run. The King begins to appoint members of the Namin Party to office as he had promised during the revolt. Both the Patriarchs and Disciples begin to protest against the appointment.

The senior officials gather Saheonbu soldiers to arrest Lee Yin Jwa’s father-in-law and his family. They protest against the King’s appointment of Namins. Yoon Yeong tries to help Prince Milpoong get away safely to Qing Dynasty but is killed in an accident. Min Jin Heon supports the King’s reform.

King Yeongjo decides to abolish the section chief of personnel. The senior officials are furious. Prince Milpoong walks into the palace himself and kills himself. Inspectors at Saheonbu support the King’s decision. Lee Yin Jwa and Wi Byeong Joo are executed.

King Yeongjo decides to have a public hearing and listen to the difficulties of the people. He promises to reduce tax by half. The nobles are angry that landlords will be compensating for the remaining amount. The dispute is to be settled by a vote.