Once Kang Chi discovers what he truly is, he struggles to accept it. Chung Jo finds herself in a familiar situation as seen with Seo Hwa 20 years previous.
When Kang Chi discovers Jo Gwan Woong plans to spend the night with Chung Jo, he devises a plan to rescue her. Yeo Wool is conflicted about her feelings for Kang Chi, knowing he loves Chung Jo.
The widow of a wealthy Japanese merchant stirs up Jo Gwan Woong at the Hundred Year Inn. Wol Ryung has come back to life, in the form of a Thousand Year Evil Spirit.
As it becomes apparent that Kang Chi and Yeo Wool are developing feelings for each other, Master Dam forces them to separate and prepares Yeo Wool for her engagement with Tae So.
Kang Chi risks getting kicked out of Moo Hyung Do Gwan while undergoing Gon's famous "Bell Test", while simultaneously learning the value of building trust and relationships with people.
Chung Jo unknowingly reveals the truth about Wol Ryung's death to Kang Chi, which creates a rift between him and Yeo Wool when it tests their trust in one another.
Yeo Wool decides to spend three last days with Kang Chi before sending him off to find the Gu Family Book, and in those days she grants him three wishes.
