Jae Sang sees the text from Dong Taek to Si On. To find out their relationship, Jae Sang follows Si On and Dong Taek but he encounters something he did not expect. SIU team takes evidence but lingering doubts on the missing case won't go away. Jang Do Sik gets furious after he finds out his plans are going wrong and visits Yun Pil Wu. (Source: KOCOWA)