A school science teacher's son was heavily bullied in school. After exhausted all options from informing school teacher , principle to calling the police , he have decided to take matter into his own hands to protect his son. He started creating a chemical compound that may enhance his son's physical ability to protect hmself from bully. He have been testing the virus on lab mouse in his school lab. One day, a student stumble across the lab mouse and was bitten. The science teacher was trying to contain the spread but unfortunely he wasnt able to. The student was then sent to a hospital where she turned into Zombie completely. Watch to find out what happened to the Hyosun District and to the students that was in Hyosun High school, do they manage to escape ground zero?