Tell Me What You Saw (2020)

S1E10 Episode 10

A man driving a black sedan is on a killing spree, targeting young individuals ready to enter the workforce. The RIU Team One manages to locate a survivor and seeks her assistance. In a rare display of enthusiasm, Hyun Jae goes above and beyond to aid the survivor in recalling crucial details about the case. Meanwhile, the detectives delve into uncovering the mystery surrounding the numbers "4789."