Season Number: 1
Episode Number: 2
Episode Title: Missing Thumbnails
Air Date: Jul 30, 2020
A murder case similar to the Yeonju City serial murder case happened. The victim’s thumbnail was missing, and she had a noose around her neck. Something seems off about the case and Ji Won tries to solve it. Meanwhile, Hee Seong finds out that Moo Jin had a plan to meet his informant, Soon Kil to get a tip. And Hee Seong decides to do something about it.