Based on real events, this film depicts the story of a school for the hearing-impaired where young deaf students were sexually assaulted by the faculty members over a long period of time.
25 September 1938, Chongjin, North Hamgyong Province, Japanese-occupied Korea
May 14, 1959 in Daechong, South Korea
10 July 1979, Busan, South Korea
26 May 1968, Seoul, South Korea
5 January 1952, South Korea
18 January 1983, South Korea

