Happiness

In the near future, infectious diseases have become a part of everyday life. Yoon Sae-bom, a member of a police special operations unit, has just moved into a newly built apartment block in a big city, where the upper floors sell and the lower floors rent. Her excitement about her new home doesn't last long. During an operation to subdue an infected suspect, Sae-bom suffers a scratch that puts her in danger. Together with Jung Yi-hyun, a detective who was her high school classmate and has been in love with her for years, she must protect the innocent. Meanwhile, neighbors from different social classes face mistrust and a psychological struggle for position within the building. Han Hyo-joo and Park Hyung-sik star in the series, which airs on tvN.