June 28, around 5:00 pm. In a five-story family house in a residential-commercial building, the owner of this house, Ms. Ko Hye Jin, is found fallen and dead. The late lady fell and died wearing a bathrobe and had a scar on her forehead and blood marks on her robe. Mrs. Ko Hye Jin's husband was Hong Won Jang, the director of the Neuropsychiatric Department of Go Hae-Myeong hospital, a star doctor who appeared on TV, and was using the fourth floor of the same building as a hospital and was working at the hospital at the time of the incident. Besides, those who met the victim between the estimated time of death on the day from 2:00 to 5:00 pm or whose alibi was unclear are the mother-in-law who lived in the same house, Yoon Ga Jung, and Park Mi In, a friend of the victim and a hospital patient, So Won Moo, the head of the hospital's general affairs department, and Kang Bae Dal, who delivered chicken on the same day. (Source: namu.wiki)