Seryeong brings Seungyu to see his family and becomes installed as the princess. Lee Gae, Jeong Jong and some other scholars plan to assassinate Suyang. Seungyu joins in their cause.
Prince Suyang finally becomes the king. Seryeong is mad and refuses to enter the palace. Seungyu attacks Shin Sukju, but Myeon appears and gets injured instead. Gong Chilgu tells Myeon that someone survived the boat that was headed to Ganghwa.
Seryeong returns home to recover from the arrow wound. She refuses to marry Shin Myeon when she finds out that her father lied again. Shin Myeon contacts Gong Chilgu to find out who abducted Seryeong. Danjong decides to concede the throne to Prince Suyang.
Seungyu abducts Seryeong. Geumseong fails to assassinate Suyang and gets arrested. Myeon goes to find Seryeong, but Seungyu and Seryeong get away with Jo Seokju's help. Seungyu lures Suyang out using Seryeong. Seungyu aims an arrow at Suyang and Myeon aims an arrow at Seungyu.
Seungyu hears that his sister-and-law and Agang died. He is set on getting revenge for his family. Suyang hears about Geumseong's plan to kill him. He comes up with a plan to eliminate Geumseong, Jeongjong and Gyeonghye. Seungyu follows Seryeong and sneaks into the house on the day of the wedding.
Seungyu escapes the island with Jo Seokju's help, but he is injured. Seryeong prepares to get married to Myeon. Prince Geunseong plans to kill Prince Suyang on Seryeong's wedding day. Seungyu goes to Suyang's house and sees Myeon and Seryeong together.
Seryeong apologizes to Seungyu and tries to tell him how she feels about him, but Seungyu is cold to her to hide his feelings for her. Munjong passes away and Prince Suyang is about to take power when Kim Jongseo appears with a royal order. Seungyu goes to see Seryeong.
Prince Suyang finds out that Seryeong pretended to be the princess and met with Seungyu. Despite Seryeong's plea to save his life, he tries to have Seungyu killed. Kim Jongseo makes a deal with Prince Suyang to resign from his position in return for sparing his son's life. Seungyu leaves, but returns quickly when Munjong collapses at the princess's wedding.
Seungyu finds out that Seryeong isn't the princess and looks for her. He is accused of insulting the princess and interrogated by the king. Munjong wants to believe in his innocence, but the ministers and servants continue to write appeals to have him executed. Seryeong goes to prison to tell him who she is and save him when her father appears.
Princess Gyeonghye tells Seryeong that Kim Seungyu is going to marry her and that she shouldn't see him anymore. Prince Suyang invites Myeon to his house where he runs into Seryeong and finds out she isn't the princess. Princess Gyeonghye finds out that Seryeong met Seungyu again and calls them both to her quarters.
Princess Gyeonghye finds out that Seungyu is to be her husband. She also finds out that Seungyu and Seryeong met outside the palace. Seungyu and Seryeong grow closer riding a horse. Prince Suyang is mad that Munjong and Kim Jongseo are holding hands and tries to harm Seungyu.
Prince Suyang wants his daughterto marry Kim Jongseo's son, Seungyu, for political unity. Seryeong finds out that Seungyu became Princess Gyeonghye's teacher and goes in her place to see what he is like. Seungyu thinks she is the princess when he runs into her again outside the palace.
As the unknown man and Eopbok's gang plot to attack Seonhyecheong, they start to think that Giyun is embezzling money.
Eopbok decides to kill Keutbong's master who is mean to Banjjak. In order to save Hyewon, Daegil attacks the government office by himself.
Daegil gets hanged. He slowly dies as he thinks about Eonnyeon. Meanwhile, General Choi and Wangson hide in Slanted Ear's village.
Daegil and Taeha learn from Cheolung's torture that it was Cheolung who attacked General Choi, Wangson, and Taeha's men.
After eliminating the rest of Taeha and Jo's gang, Hwang Cheolung goes after Jo.
The revenge-seeking Cheon Jiho gets arrested after falling for Officer Oh's trap. As Jo and Taeha's tensions grow high, Jo plots to take the royal grandson.
While running away with the royal grandson, Hanseom runs into Cheolung and engages in a duel. Taeha and Hyewon are mistaken as the murderer who killed the guards,
In order to eliminate evidence, Second State Councilor Lee Gyeongsik kills every single one of Cheon Jiho's messengers. Nonetheless, Cheon Jiho is excited about making money in Jeju.