Gungtan remembers once again that Wonjeong had sealed him in the past and escapes without being able to harm Mi-ho. Captivated by fear and anger, Gungtan begins to plunge the world into darkness. Mi-ho starts to blame herself, believing that the tragedy will only end when she dies. Meanwhile, illusions of Gusunsae cause Tamra High School students to engage in mass suicide. Despite Johan's effort to try to save the students, it wasn't enough. However, with the help of Butler Jang, Van and Johan work together and save the students.

Van learns that Mi Ho will vanish, leaving only Wonjeong, if she regains her power. After agonizing, Van tries to stop Mi Ho's training to become Wonjeong. Mi Ho is frustrated and upset with Van's sudden behavior. Meanwhile, Gungtan attempts to use Yeom Ji to find out about the location of the remaining Dol Hareubang, and Johan goes to Gungtan's hideout to fight him in order to save Geum Baek Ju and Yeom Ji.