The massive scandal comes to light through a father's unwavering search for the truth behind the sudden death of his family.
as Jeong Tae-hoon
as Han Young-ju
as Seo Woo-sik
as Han Gil-ju
as President Cho
as Han Hyun-jong
as Jeong Kyung-han
as In-ho
as Soon-im
as Jung Min-woo
as Ministry of Health and Welfare
as O2 Staff
as Reporter
as Reporter
as Audience
as Victim 4
as Eun-jeong
