It’s a common scenario. There was a zombie outbreak. People built a safe zone in Busan, but with limited space and overflowing people, housing prices skyrocketed with overpopulation. (still) ‘I can’t even dream of buying my own house’. The main character of this story also has no home. Just like you who are reading this synopsis, (but) there is an organization called Zombie Slasher that makes money by hunting zombies. In order to get the money and have his own house, our protagonist decides to throw himself on the front line.