@mashulykaa: I love her sm #happinesskdrama #kdramas #kdrama #koreanactors . . . Sharpen and grain @bvb1y.c 🩷 . . . . Happiness is a thriller drama set in a high-rise apartment complex where residents become trapped after a mysterious infectious disease begins to spread. The disease causes people to become extremely aggressive and thirsty for blood. Yoon Sae-bom, a police officer, and Jung Yi-hyun, a detective, try to survive while protecting themselves and the other residents. As fear and suspicion grow, the residents begin turning against each other, revealing how people behave when society starts to collapse.