The Scarecrow Episode 4

After the death of Min Ji, who showed trust in Tae Ju, Tae Ju meets Si Yeong and suggests catching the serial killer together. Tae Ju’s comeback arouses controversy among his colleagues, but he just focuses on tracking the killer. And he discovers a connection between Min Ji and Gi Beom. To make things worse, Gi Beom becomes the suspect because of the assault on Jeon Gyeong Ho, and the doubt toward him becomes bigger and bigger. (Source: TVDb)