Based on Gong Ji-young's bestselling novel "Dogani," which was inspired by true events in Gwangju. Kang In-ho (Gong Yoo) starts teaching at a school for hearing impaired children but is shocked to learn that faculty members had been sexually abusing students. He teams up with human rights activist Seo Yoo-jin (Jung Yoo-mi) to reveal the case to the world. Directed by Hwang Dong-hyeok. Runs 125 minutes. Rated 18 and over. In Korean.