The death of her seriously ill mother in a fire hits Anna (Emily Browning Emily Browning) and even attempts to commit suicide. After a period of mental recovery, Anna is allowed to return to her long-lost home, where her writer father Stephen (David Stryzyne David Strathairn), intimate sister Alex (Arielle Kebbel Arielle Kebbel) and future stepmother Rachel (Elizabeth Banks Elizabeth Banks), her future stepmother, don't know what to do with her. During this period, Anna saw her mother's miserable and horrible figure one after another, while her good friend Matt (Jesse Moss) claimed to have seen everything on the night of the fire. There are signs that Anna's mother did not die in an accident, and the sisters naturally locked the killer on Rachel. It wasn't long before Matt was killed. Dark clouds once again hung over the heads of Anna's family. The poor girl, who almost collapsed, was at a loss between the real and the illusory.