When a zombie virus pushes Korea into a state of emergency, those trapped on an express train to Busan must fight for their own survival.
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.
An ordinary guy suddenly finds he has superpowers he can use to help his spirited daughter and the people around them, but he also runs into trouble in the process.