Happiness

Happiness is a South Korean television series created by Yang Ji-eul and Lee Myun-han. 

 The plot of the series pivots around an infectious disease that has become the new norm. Residents of an apartment must work together to survive this deadly virus that has taken over the city.

 The show is an apocalyptic thriller that stars Han Hyo-joo, Park Hyung-sik, and Jo Woo-jin in lead roles, and is produced by Studio Dragon. 

 Consisting of 12 episodes, it first premiered on Korean network tvN.