Intern Detective Oh Gyeon Sik
Cold Case, Cold Case Provisional Task Force, Cold Case Task Force, Detective Male Lead, Detective Supporting Character, Dyslexia, inteonheyongsa okyeongsik, Intern Detective Oh Gyeon Sik, Internship, Mental Illness, mijesageon imsijeondamban, Mijesagun Imshijeondamban, Neurodevelopmental Disorder, Police Department Setting, Reporter Female Lead, Unsolved Mystery Squad, Workplace Setting, 미제사건 임시전담반