Lee Ji-eun opens up about a horrifying scene she witnessed. Han-jun and Jae-hui compete for a phone. A man with a distinct feature catches Han-jun's eye.
Han-jun closes in on Cha Seung-won and finds out that Aunt Im possesses an important document. But his unorthodox methods shake Jae-hui's trust in him.
Han-jun and Jae-hui search the killer's belongings for more clues. When they come across a hit list, they realize that the murder spree is still ongoing.
