When people begin to eat each other in downtown Seoul, some may call it a zombie outbreak. 

Others may call it a second chance. 

When Jungkook is nearly killed by a frightening woman, little does he know that he had witnessed the beginning of a nationwide outbreak. Jungkook, Mina, Ah-Hyun, and Yooeun, linked by the most peculiar circumstance, must face a rapidly changing world. Forbidden love and cultural gaps begin to flourish as old habits die and become reborn.