S1, E4: Mu Jin and his team look for evidence to reclassify Nurse Cho Eun Young's suicide as an industrial accident, aiming to hold the hospital accountable for covering up suspected workplace bullying and medical malpractice. However, with Mu Jin blacklisted from the hospital, it falls to Gyeon Woo to infiltrate the facility and locate the one piece of evidence Mu Jin remembers seeing while possessed.