하루 뇌 비밀이 세상을 떠들썩하게 하는 와중에, 하루는 모란이 성욕 과다 뇌가 된 이유를 밝혀낸다. 그 이유가 명세와 소정 사이에 큰 파란을 일으키게 되는데...
While the public is focused on Ha-ru’s recent revelation regarding his brain, Ha-ru helps Mo-ran get to the bottom of her high libido. Surprisingly, Ha-ru’s assumptions are right, and Mo-ran turns out to be a victim of the wrong medication. Now that she knows it wasn't her fault that she and Myung-ae went their separate ways, she wishes she could turn back time and go back to how things used to be.
