附近一家工厂释放出神秘的橙色雾气后，一群朋友被迫将自己封闭在科德角度假屋内。被困在屋内的他们意识到一切都已经太迟了。

Audra's graduation gift is her dream house, but it soon becomes a living nightmare when some uninvited guests come to her homecoming party who aren't very subtle about the fact they don't approve of the home's new owner.