- HD 1080
- Runtime: 67m.
- Status: Ended
0
- Languages: ko
- Country: South Korea
- Director: An Gil-ho
- Stars: Han Hyo-joo, Park Hyung-sik, Jo Woo-jin, Lee Jun-hyeok, Park Joo-hee
- keywords: survival, apocalypse, zombie, disease, apartment building, illness, zombie apocalypse, virus, fake marriage, slow burn romance, apartment
- Production_studio: Studio Dragon
- Slogan: Trust disappears. unbearable thirst. there's no going back.
- Seasons: 1
- Episodes: 12
- First air date: 2021-11-05
- Last air date: 2021-12-11
- providers: Netflix, Rakuten Viki, Netflix basic with Ads
- The Happiness is featured in the top rankings of 2021
- #42 in Top Drama Series of 2021
- #12 in Top Mystery Series of 2021
A new type of deadly virus spread throughout the city, and the apartment where has different social classes of people is sealed off. With the fear of the virus, and the conflicts of the different classes, the residents have to spend and survive in the new habitation.
