After a group of would-be criminals kidnap the 12-year-old ballerina daughter of a powerful underworld figure, all they have to do to collect a $50 million ransom is watch the girl overnight. In an isolated mansion, the captors start to dwindle, one by one, and they discover, to their mounting horror, that they’re locked inside with no normal little girl.
Having escaped from a cult as a child, a mother must face her past when its sinister members break into her home and attempt to steal her eight-year-old son, David. Now the two are on the run pursued by a detective determined to save them both. Since his aborted kidnapping something has changed in David and the boy has succumbed to a mysterious illness. Following her maternal instincts to save him, his mother commits unspeakable acts to keep him alive but is losing the battle. Soon, she has to decide how far she is willing to go to save her son.
A gang of desperate criminals seek refuge in what appears to be a perfectly ordinary house - but discover it houses something much more sinister, and much more otherworldly, than they'd initially thought...