Behind Hospital Walls (S01E04)

Mu-jin and his team strive to gather proof to recategorize Nurse Cho Eun-young's suicide as an industrial accident, intending to expose the hospital's efforts to conceal alleged workplace bullying and medical negligence. With Mu-jin barred from the hospital, Gyeon-woo takes on the crucial task of sneaking into the facility to find the vital piece of evidence that Mu-jin recalls witnessing during his possession. The stakes are high as they work to unveil the truth behind the tragic incident.