Directed by Hwang Dong-hyuk | Starring: Gong Yoo, Jung Yu-mi, Kim Hyun-soo, Jung In-seo

Based on actual events that took place at Gwangju Inhwa School for the hearing-impaired, where young deaf students were the victims of repeated sexual assaults by faculty members over a period of five years in the early 2000s.

IMDb Do-ga-ni movie posters