An ace crisis negotiator attempts to figure out the real motivation of a man who has kidnapped two people and crack his calm demeanour.

Jung-Jin is a criminal profiler and he came from the FBI in the United States. Yoo-Min is a detective and he graduated from the top police university, but he is…

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…