Le Do discovers the last words of Yoon Bi is "secret society, " the Do is shocked. right after smuggling out the corpse, although Sung Sam-moon and recreation area Paeng-nyun are discussing suspicious points, Yoon-pyeong has managed to find out the location of corpse, and informs Do Dam Daeg over it. When Chae Yoon is reasoning for the person who stole your corpse, he deduces that the case is just like the theft by Yoon-bi, and decides who's must be done by person in connection with the king to hide some so they can investigate something.
On another hand, Le Do and Jo Mal Saeng look at the house of Jeong Do-kwon, and so are stunned when seeing the article carved about the wall of secret cavern chamber, which is the true secret book. Jo Mal Saeng shows Le Do the details of prior investigation.
Chae Yoon discovers the killer of Yoon Bi by mistake, and both of them includes a fight. Sung Sam Moon dreams to ask and find out the real fact from government official Jung, but Jung lets him hold out.
The killer Yoon Pyeong suddenly look as if block the way with officer Jung.
