Saebom, a Sergeant of the Special Forces, and Ihyeon, a Detective Sergeant of Saeyang Police Station, are high school friends who enter into a marriage of convenience so that they can qualify to buy an apartment together, while a mysterious and seemingly contagious virus tears through their city of Saeyang. Saebom and Ihyeon move into their dream home only to find that the new virus that turns people violent and thirsty for blood has come knocking at their door.

Original Webtoon:
Naver Webtoon, Naver Series

Official Translation:
English

Note:
This webtoon is a spin-off to the Kdrama, Happiness.

Detective Ihyeon, who has made a unique impression since high school and his lifesaver, police commando Saebom, are getting married under the guise of each other.
Saebom, who has the 'home' of her dreams through marriage, and Ihyeon, who secretly loves Saebom since high school, are excited about their new relationship and future life, but the excitement is short-lived. Infected person appears.