Yeon nears her tenth birthday as Goo San Daek fears the girl will transform into a Gumiho. Mother and daughter leave their village but they are held for questioning by the authorities.
Yoon Doo Soo does not reveal the reasons for his idea to adopt Yeon. Goo San Daek wants to use fox marble to heal Cho Ok but she is concerned about its influence on the child.
Goo San Daek chooses to hide Yeon from Yoon Doo Soo. Cho Ok's mother wants a doctor to visit her daughter but there are concerns that the treatment will be useless.
A prominent geomancer tries to remove all problems from Yoon Doo Soo's house. Yeon tells a close friend about her strange illness but he refuses to believe the outrageous claims.
Yoo Doo Soo is offered medicine to stop the bleeding but he fears it has been poisoned. Lady Yang calls her husband after seeing spells on a screen in Cho Ok's room.
Cho Ok is thrown into a well and the ghost of Yeon reveals events surrounding her sacrifice. A surprised Goo San Daek hears that Cho Ok is actually possessed by Yeon's ghost.
Yoo Doo Soo brings a sword when he visits Cho Ok as fears grow about a transformation. Yeon speaks to a friend and tells him that she is now in Cho Ok's body.
Yoo Doo Soo is sure he saw something very strange in Goo San Daek's eyes. Cho Ok is unpleasant to everyone in her life as she overcomes Yeon's recent possession.
A vengeful Goo San Daek changes into a strange creature while holding Cho Ok hostage. Cho Ok challenges Goo San Daek to reveal her true identity to everyone that she knows.
Goo San Daek visits Yoo Doo Soo's home but he quickly pulls out a sword for protection. The authorities receive important information that leads to the arrest of Yoo Doo Soo.
