A new couple, Nam Gun-woo and Baek Yo-jin, live in a small apartment. Nam Gun-woo is a cameraman at CVN. One day, the couple witnesses a begger on a rainy night. Something unexpected happens while they are trying to save the beggar. At the same time, news circulates about "the infected". They escaped from the hospital. Now everything begins to lose control...

(Source: DAYcomics)