"Visible Victim, Invisible Suspect"
The massive scandal comes to light through a father's unwavering search for the truth behind the sudden death of his family.
Cho Yong-sunDirector
Jeong Tae-hoon
Han Young-ju
Seo Woo-sik
Han Gil-ju
President Cho
Han Hyun-jong
Jeong Kyung-han
In-ho
Soon-im
Jung Min-woo
Ministry of Health and Welfare
O2 Staff
Reporter
