Anna has been hospitalized since her mothers tragic death. Now, her father is picking her up for the return to their home. But things are not the same in her household as when she left. Her mother's nurse Rachel (Elizabeth Banks), has recently become engaged to her father Steven (David Strathairn), and appears to be taking over her mothers place. Tension is immediately felt with Rachel as soon as she walks in the door.
When Anna is visited by her mothers ghost, it points to Rachel being responsible for her mothers death. The only comfort Anna finds is with her big sister Alex (Arielle Kebbel). As strange behaviors start to unfold, Anna and Alex discovers that Rachel is not who she says she is. Now they must convince their father that this uninvited guest has got to go.
Vertigo Entertainment, Parkes/MacDonald Productions, The Montecito Picture Company, Paramount Pictures, Dreamwork Pictures
Directors: Thomas Guard, Charles Guard
Writers: Craig Rosenberg, Carlo Bernard, Doug Miro
Producers: Roy Lee, Laurie MacDonald, Walter Parkes