Stars: Han Hyo-joo, Park Hyung-sik, Woo-jin JoSummary: 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. ?AsianWiki