Through the Darkness Season 1 Episode 6

Ha Young and Young Soo continue to search for the suspect of elderly murder cases. However, Bong Sik, who has an ugly history with Tae Gu and Ha Young, meets them again as a new chief of Special Crime Squad, and he wants the Behavioral Analysis Team to stay out of this case. Meanwhile, another similar murder occurs in Hwanghwa-dong, and Ha Young visits the crime scene.