Do-ki becomes a patient himself to infiltrate the operating room. When he is put to sleep, Go-eun finds out that there is a proxy who does the actual surgery while Young-sook goes somewhere else for a drink. Now that the team knows she is a complete fraud, they set up a meticulous plan to bring the witch down.
Quest roles:
Park Jong-hwan(Park Hyun-jo), Lee Hang-Na(Ahn Young-sook), Kim Yong-jin(Hospital Administrator Director Kim), Kim Geun-young(Patient), Kang Seol(Han Su-ryeon), Lee Ha-joo(Nurse), Lee Dong-chan(Elderly Man), Jeong Gi-seop(Han Jae-deok), Kim Jae-min(Section Chief Gong Su-ho), Jang Eun-seo(Nurse), Hong Seok-yeon(Patient Park Deuk-gu), Kim Su-yeon(Nurse), Yang Hee-woo(New Supplier Employee), Kim Seoung-woo(Kim Hun-seob), Yoon Eui-seok(HIRA Assessor Leader), Kim Dong-hwi(HIRA Assessor), Cho Kook-hyung(Detective/Police), Jo Jung-shik(TV Show MC), Joo Si-eun(TV Show MC)