With the world finally convinced that monsters exist after the Metropol Incident in Demons (1985), a sense of normalcy has returned. However, people tend to forget easily. When passive consumption of television content opens a gateway to a dark world, a new demonic threat emerges. Now, the residents of a high-rise apartment building find themselves trapped. Spawned from the city's forbidden zone, horrific creatures invade the complex skyscraper, hungry for flesh. As shock turns into sheer terror, history begins to repeat itself. The nightmare has returned, and the TV becomes the ultimate conduit for evil. Will anyone survive the demon plague?