English Title: Happiness
Chinese Title: 幸福
Cast: Han Hyo Joo, Park Hyung Sik, Jo Woo Jin, Baek Hyun Jin, Baek Joo Hee, Moon Ye Won, Park Hyoung Soo, Jung Woon Sun, Bae Hae Sun, Cha Soon Bae, Han Joon Woo, Kim Ju Yeon, Hong Soon Chang, Lee Joo Sil, Kang Han Saem, Kim Young Woong, Lee Ji Ha, Kim Ju Yeon, Jeon Suk Chan, Song Ji Woo, Park Hee Von, Na Chul, Lee Joo Seung
Synopsis: Set in the near future, a high-rise apartment building has been newly constructed in the big city. The apartment building has residents from diverse backgrounds, but a new infectious disease breaks out. Because of the outbreak, the high-rise apartment is sealed off. The residents struggle to survive, while stricken with fear and distrust of others. Yoon Sae Bom (Han Hyo Joo) is a member of aspecial police squad. She is decisive, determined, and does not easily get rattled. She is excited to move into her new apartment, but, as soon as moves there, she faces a criss. Jung Yi Hyun (Park Hyung Sik) is a detective. He is smart and honest. For a long time, he has held romantic feelings for Yoon Sae-Bom. They graduated from the same high school. Jung Yi Hyun struggles to protect Yoon Sae Bom and other people.Han Tae Seok (Jo Woo Jin) is a lieutenant colonel and belongs to the health service command. He holds a key on the infectious disease outbreak.