“Happiness – 幸福” is about story of a new type of deadly virus spreads throughout the city, and an apartment building where people from different classes live, 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.
Yoon Sae Bom is very quick on decision and judgement. She did not grow up in a good environment. She wants to live comfortably in the complicated world, but she is righteous and can’t stand injustice.
Jung Yi Hyun is a police detective, who is mainly in charge of violent crimes. He used to be a baseball player but had to quit due to a knee injury. He struggles to protect people from the danger in the apartment.
Han Tae Seok was an information agent while serving in the military, and after being discharged, he worked as an executive at a pharmaceutical company. He is the perfect person for a position dealing with infectious diseases.
|Han Hyo Joo (韩孝周)||–||尹新春 (她凭借快速的判断力、眼力、胆识等掌握了反恐镇压技术，成为了警察特攻队的王牌，其好处就是分配了公务员公寓。后来在警察特攻队内部，功绩获得认可，得到了奖励机会。新春对通过努力获得的空间，对共享那个空间的人，对在那里建立关系的人有着自己的感情)|
|Park Hyung Shik (朴炯植)||–||郑伊贤 (世阳警察署重案组刑警。因为是棒球选手出身、体格健壮的好汉类型，所以大家都以为他是惯用身体的人，但其实他很会动脑筋，是像熊一样的狐狸。公寓被封锁后依然保持着身为警察的态度，开始只以为是为了新春和自己能安然无恙地生存下来，却逐渐认识到，比起自我考虑，更是出于对警察这个职业的使命感和热爱)|
- Watch Happiness – Episode 12
- Watch Happiness – Episode 11
- Watch Happiness – Episode 10
- Watch Happiness – Episode 09
- Watch Happiness – Episode 08
- Watch Happiness – Episode 07
- Watch Happiness – Episode 06
- Watch Happiness – Episode 05
- Watch Happiness – Episode 04
- Watch Happiness – Episode 03
- Watch Happiness – Episode 02
- Watch Happiness – Episode 01