Yeo Ri wakes up at the palace. She finds out that Kang Cheol wasn't the one who attacked Yun Gap. However, she's still suspicious about Kang Cheol since he possessed Yun Gap's body.
Yeo Ri tries to find Yun Gap, thinking his soul is trapped somewhere in the palace. Kang Cheol tells her that Yun Gap is already taken by the Eight-feet spirit, but Yeo Ri can't give up on him.
The king is possessed by the Eight-feet Spirit, but Yeo Ri and Kang Cheol manage to get rid of it. Kang Cheol wants to leave the capital to stay away from the Eight-feet Spirit.
Pung San is pleased to find out that the Queen is pregnant with the King's child, giving the General of Heaven and Earth another child to feed on. Cheol learns from Bi Bi that he needs to kill the body of Gap to get out of his body.
Yeo Ri and Kang Cheol grant the water spirit's wish and bring his remains to his daughter. In return, the water spirit confesses that Aguji was behind the attacks on the Queen.
Yeo Ri finds out the Eight-feet Spirit devoured her grandmother's spirit while trying to save the late King. Cheol makes Bi Bi guard Yeo Ri in case she puts herself in danger while pursuing the Eight-feet Spirit.
Yeo Ri shares with the King that they need to uncover the identity of the Eight-feet Spirit and settle his grudge to be able to send him off. As soon as Yeo Ri realises that Pung San is Aguji, he takes Yeo Ri by force and hides her.
Intent on delivering an evil nobleman to Bi Bi as his prey, Kang Cheol is halted by Yeo Ri's sudden intervention. Lee Jeong wants to know who is behind Pung San, and he interrogates the Dowager Queen.
Kang Cheol mourns Bi Bi's absence with a heart riven by sorrow. Yeo Ri tells Jeong that Kim Bong In is behind Aguji and the Eight-feet Spirit. Jeong summons Bong In and asks why he did such terrible deeds.
Cheol, Yeo Ri, and the King realise who the Eight-feet Spirit is and the reason why he holds grudges against the royal family. The King decides to hold a ritual to console the spirit with the help of Yeo Ri and Monk Gaseop.
Pung San tells Yun Gap to pour the mysterious liquid over the warding stone so that the King can claim his body for good. Gap asks Yeo Ri to send him over before he harms the King.
In the end, the Eight-feet Spirit brings harm upon the Queen. Jeong falls into despair and questions why the Eight-feet Spirit takes out its wrath on the innocent for a sin committed by his ancestors.
Yeo Ri tells Kang Cheol they'll escape together, all the while knowing she has no intention of keeping her word.Yeo Ri wants to stop the Eight-feet Spirit on her own before the Spirit takes over everything, so she comes back to the Palace.