The high school where student Charles is studying is a chaotic and vibrant place, but it hides a secret: a biochemical virus experiment is being conducted here. However, the virus eventually leaked, infecting the entire nearby city and turning it into a paradise for flesh-eating zombies. Charles and his friends came to the city without knowing it and were "warmly entertained" by the zombie army. After struggling to break through the siege and rushing to the school, they found that the place had already fallen. Their former classmates and even their beloved relatives had turned into zombies that eat people without blinking an eye. The angry people decided to fight the monsters to the end, but at this time, Charles' true identity was exposed. He turned out to be...