Gil Dong and Uh Ri Ni jump into the water, and Gil Dong gets hit by arrows. He safely brings himself and his sister to shore, and he passes out. While retrieving water for him, Uh Ri Ni gets kidnapped. Meanwhile, Gil Dong loses his memory.
기억을 모두 잃은 길동은 단애옥에서 머물며 녹수와 함께 놀음을 나서고, 조금씩 서로에게 마음을 열게 된다.
한편, 죽음을 앞둔 성종에게 아들 연산은 충격적인 고백을 하는데...