Determined to find out the truth about his mother, the magistrate searches out one of Lord Choi's old servants who tells him about how his mother mysteriously disappeared from Lord Choi's house. Secrets are revealed about young lord Joo Wal leaving him in agony. Eun Oh employs the ghosts to again spy on Lord Choi and they come across Moo Yeon's new hiding place. When Eun Oh and Arang confronts the 'monster' again, Arang remembers how she died and who killed her.

Eun Oh and Dol Swe are arrested. Mu Yeon asks Arang either take revenge or save people. Arang doesn't answer her. She doesn't understand why Joo Wal and Mu Yeon are on the same side. Eun Oh admits everything is in order to protect Arang. At that time, Eun Oh's father step in with an imperial edict. Saying that he is not a criminal and his social status remains unchanged. Arang makes her way to meet Mu Yeon.