A year after her identical twin's disappearance, Maude Ashton is still haunted by visions of her sister's violent abduction. Convinced she is still alive, Maude follows the clues to a derelict caravan park.

Ex-con Eddie Cleary gets a job working on his older brother's isolated farm. It's not long before bizarre things start happening--dead birds falling out of the sky, family pets attacking their owners, strange apparitions beginning to appear, and people who had been "normal" suddenly going insane.

A seven-year-old girl adopts a vow of silence in protest when her quarrelsome parents grow increasingly hostile to one another.