A mysterious viral outbreak pushes Korea into a state of emergency. The government declares martial law just as divorced Seok-woo and his daughter catch the KTX bullet train from Seoul to Busan to see her mother. But someone on the journey has been recently infected sending the hurtling carriages into complete chaos. As the living dead transform the voyage into a nightmare excursion, father and daughter and a small group of uninfected passengers must fight for survival. Get on board to stay alive!

Train to Busan is out in cinemas today.