A new type of deadly virus spread throughout the city, and the apartment where has different social classes of people 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.
Park Hee-von (born Park Jae-young; May 11, 1983) is a South Korean actress, singer and model. Park made her entertainment debut in 2001 as a member of a girl group named M.I.L.K. under S.M. Entertainment's short-lived subsidiary BM Entertainment. The quartet released one album titled With Freshness, and disbanded less than two years later. When Park transitioned to acting, she began using the stage name Park Hee-von. Park is best known for starring in independent films and cable TV series.