Taemin

He pushed it off him, giving it a punch in the face. It groaned as it laid on the floor. He grasped around for something to hit it and found a scissors. As it launched at him, he pushed the scissors right at it's brain.

Jessica

She kicked it's head, making it grunt. She grab it's hair and threw it off, panting as she watch it slam against the sharp metal piece that was dented out of the pipe. 

Yuri

She watch them eat her friend. Peeling and biting, grunting as they consumed her. She covered and closed her eyes, hoping they would leave.

Minho

He smashed his baseball bat against them, hitting one's head away while the rest just crawled back. He swung his bat again, this time, smashing their bones out. He sighed weakly as he saw the bones sticking out of them.

Virus has spread, people had died and things have changed. People started coming back and passing on the virus as they eat and eat. Many couldn't survive while others fled far. Guns could no longer work, there were too many of them. In Seoul Art High School, they encountered 'them'. Jessica Jung, Lee Taemin, Choi Minho and Kwon Yuri, four popular students - not only were they popular they were also recently recruited into a secret-agent company called SM and they form 4CE. They are student-special agents. This may be their very first training and their mission is - to survive.

(*note that people in their school doesn't know that they are special agents. the students thought that 4CE is just their 'group' name).