
Diary of a Night Watchman Ep.4
Lee Rin offers a hand to Do Ha, who is in a cage, but she immediately throws him over her shoulder. Meanwhile, Park Soo Jong plans to appoint Lee Rin as the Director (Jejo) of Sogyukseo.

Lee Rin offers a hand to Do Ha, who is in a cage, but she immediately throws him over her shoulder. Meanwhile, Park Soo Jong plans to appoint Lee Rin as the Director (Jejo) of Sogyukseo.

The ghost trio (Fat Minister, Attendant Song, and Rang) crosses the Samdo River (river to the underworld) and lingers around Lee Rin. Meanwhile, King Kisan is unable to sleep due to Sadam's spell.

Ok Jung, when Yun falls ill with smallpox, goes to see a shaman with her mother Lady Yoon. Meanwhile, Concubine Choi seeks out the palace office, saying she has an accusation against Ok Jung to announce in front of Lee Soon and the ministers.

Lee Soon, at Jang Hyeon's request to hold an interrogation, tells him to keep his mouth shut in exchange for making him his father-in-law. Meanwhile, the fourth concubine drinks poisoned rice punch and falls unconscious.

Lee Soon appoints Maid Choi to the fourth rank concubine. Meanwhile, Prince Dongpyeong confesses to Lee Soon that he loved Ok Jung.

Ok Jung gathers the court ladies who behaved coquettishly in front of Lee Soon and forces them to drink infertility medicine. Meanwhile, Chi Soo steps forward to help Inhyeon's restoration to the queen's seat.

Ok Jung, showing her son Yun to the ministers, says she wishes to be called the queen as the mother of the Crown Prince. Meanwhile, Inhyeon, having saved the Crown Prince while Lee Soon was unconscious, asks him to protect her father's life in exchange for the life of the Crown Prince.

Min Yu Jung proposes to Prince Dongpyeong that he raise a flag of revolt against the king and asks him to make his decision immediately. Meanwhile, Inhyeon tells Ok Jung to give her Yun and leave if she wishes to keep her life.

The Queen Mother calls a priestess and sets a day for Inhyeon and Lee Soon to spend the night together. Meanwhile, Chi Soo seeks out Min Yu Jung, saying he wants to pay the Westerners' political funds. He wants only one thing, the head of Jang Hyeon.

Lee Soon rises to the position of the fourth rank concubine. Meanwhile, Min Yu Jung devises a plot to chase Ok Jung out of the palace.

Ok Jung enters the palace with the help of the Grand Queen Dowager. Meanwhile, Inhyeon, to keep her promise to Lee Soon, secures a residence where Ok Jung can stay in the palace.

The Queen Mother has just one wish for Lee Soon who has woken up. It is for him to welcome the queen anew. Meanwhile, Lee Soon hears from Yang Goon that Ok Jung is not in Joseon but China.

Prince Dongpyeong, asking Lee Soon whether he has a woman he loves, says they should share a pleasant chat over a cup of wine. Meanwhile, at Yang Goon's order to bring a blanket, Ok Jung heads toward the office where Lee Soon has fallen asleep.

Lee Soon goes to the seamstress's chamber seeking Ok Jung, saying he has come to have his measurements taken. But not seeing Ok Jung, he is disappointed. Meanwhile, Ok Jung, while struggling with rain-soaked laundry, happens to meet Lee Soon.

Ok Jung, through Jang Hyeon's help, is reunited with her long-lost brother Hee Jae. Hee Jae introduces her to Prince Dongpyeong, saying he met him in China. Also, Ok Jung, at Inkyeong's request to chaperone her at the Crown Princess selection, decides to help, saying it's a chance to see palace fashion.

Jang Hyeon went to Buyongjeong to take young Ok Jung with him. But he is disconcerted by Madam Kang's question, do you know my brother? Meanwhile, young Lee Soon, seeing pickpocketers steal from young Ok Jung, gets into a fight while helping her. Ok Jung takes Lee Soon with her and they run away.

Lee Soon receives a letter and ends up meeting Ok Jung. He grows lost in thought, thinking he has seen her face somewhere before. Meanwhile, Ok Jung seeks out Jo Sa Seok's wife and asks him to free her mother. From her uncle, Jang Hyeon, she hears of his dangerous ambition. Ok Jung is the only one who can realize his wish, so how about swallowing Joseon together?

Shin Myeon finds out that Seryeong left to warn Seungyu and attacks with his army, but retreats after Jabeon dies. Seungyu sends Seryeong back to the capital and begins the fight.

Seungyu and Seryeong spend the night together as a married couple and part to go on their ways. Seryeong returns to nurse Sung. Sung dies and Suyang is in rage. Suyang goes to Hamgildo and starts a rebellion.

Shin Myeon takes Jeong Jong to Hanseongbu to capture Seungyu. Jong knows he will be executed and tells Princess Gyeonghye not to tell Seungyu about the execution to prevent him from being captured.