An adaptation of J. M. Barrie's story about a boy who never grew up. The three children of the Darling family receive a visit from Peter Pan, who takes them to Never Land, where an ongoing war between Peter's gang of rag-tag runaways and the evil Pirate Captain Hook is taking place.

Distraught, confused, and half-wild with fear, Sarah Carter emerges alone from the Appalachian cave system where she encountered unspeakable terrors. Unable to plausibly explain to the authorities what happened - or why she's covered in her friends' blood - Sarah is forced back to the subterranean depths to help locate her five missing companions. As the rescue party drives deeper into uncharted caverns, nightmarish visions of the recent past begin to haunt Sarah and she starts to realize the full horror and futility of the mission. Subjected to the suspicion and mistrust of the group and confronted once more by the inbred, feral and savagely ruthless Crawlers, Sarah must draw on all her inner reserves of strength and courage in a desperate final struggle for deliverance and redemption.

In a polluted future Venice researchers work to improve the situation. One day, unknown forces start killing them. A team of soldiers and a couple of civilians is sent to investigate. Soon, they encounter strange murderous creatures.

When Sarah returns home in Oregon from a mental institution, her husband Alan, who is a critic of classical music, tells that they will travel to watch operas in Italy since he will write articles about them. Sarah does not want to travel but Alan introduces the hot Kelly to her telling that she will be the caretaker of the house. When they leave the house, the small-time criminal Jesse, who is Kelly's boyfriend, unexpectedly arrives at the house. Then Kelly's unintelligent brother Tim arrives to stay with his sister in the house. Kelly had a love affair with Alan and feels comfortable in the house. Meanwhile Jesse steals Alan's convertible to sell to a dealer but he sees the boy Adam alone in the supermarket and decides to bring him home to ransom him despite the protest of Kelly that seeks out his parents. Adam feels good in the house and soon they learn that the house is haunted but they surprisingly stay there. Meanwhile in Italy, secrets are disclosed about the past of Alan, ...