At dinner Daniel is mad and annoyed at Esther even saying "she's not my f*cking sister."
Kate grows suspicious when Esther, who watched Kate and John have sex, expresses far more knowledge of sex and its slang than would be expected for a child her age. Not long after Esther arrives, she pushes a schoolmate who had picked on her off a playground slide, breaking her ankle. Max saw Esther shove the girl, but covers for Esther by saying that the girl slipped. However, Kate is further alarmed when Sister Abigail (CCH Pounder), the head of the orphanage, warns her and John about Esther's tendency to be around when things go wrong. Esther overhears this and later kills Sister Abigail by bludgeoning her with a hammer. She forces Max to help her hide the body and the hammer. Daniel sees Esther and Max descending from his treehouse from behind a rock, not knowing they hid the hammer there. Later that night, Esther threatens Daniel with genital mutilation if he tells anyone what he saw.
Kate is told that the Russian orphanage Esther came from has no record of her ever being there. However, John does not believe her, despite continued ominous behavior by Esther. At one point, Esther breaks her own arm in John's vise and convinces John that Kate broke it. On Esther's first day back at school, she slips Kate's SUV into neutral, nearly killing Max. Badly shaken, Kate buys two bottles of wine, but at the last minute pours one of them down the drain and leaves the other full.
Kate learns that Esther was housed at a mental institution in Estonia called the Saarne Institute, but when she expresses misgivings to John, he and her counselor think that Kate is relapsing into her drinking habit. After John produces the other bottle Kate bought the night before, he threatens to leave her unless she gets help.
Daniel learns of the hammer from Max and decides to get it and go to the police. However, Esther sets the treehouse on fire, intending to get rid of the evidence and kill Daniel. Daniel escapes by falling out of the tree, severely injuring his neck and knocking him unconscious. Esther tries to finish him off by smashing a brick over his head, but Max shoves her out of the way just in time. Esther again tries to kill him at the hospital by smothering him with a pillow and unhooking his respirator. Doctors rush into the room and barely manage to save Daniel. Outside, Kate angrily knocks Esther down, calling her a bitch, and is sedated by doctors.
That night, Esther tries to seduce a drunk John. John realizes Kate was telling the truth all along and threatens to call the orphanage, but Esther stabs him to death. Max witnesses this and hides in her laundry hamper.
As Kate is coming out of sedation, she gets a call from the Saarne Institute's director, Dr. Värava (Karel Roden), who reveals that Esther isn't a nine-year-old girl at all, but a thirty-three-year-old woman named Leena Klammer. She has hypopituitarism, a disorder that stunted her physical growth and has spent most of her life posing as a little girl (it is revealed to the audience when Esther/Leena sheds her child's clothes, that she has scars on her neck and wrists, from being bound in restraints, and also has fully developed breasts).
The doctor tells Kate that Leena is dangerously psychotic, and warns her to protect her family. Kate rushes home, where Leena shoots her in the arm while searching for Max. When Kate is shot, the glass of the green house that she is standing on shatters, causing her and sharp glass to fall, crushing Leena.
Kate takes Max and runs away from the house. When the cops arrive, Leena's body disappears. Leena runs after Kate, trying to kill her and Max with a gun. Their chase takes them to a frozen pond, where Kate and Leena struggle. Max grabs Leena's gun trying to shoot her, but misses causing the ice to shatter. Leena and Kate fall into the freezing water. Kate crawls out of the hole, followed by Leena, who begs for her life, addressing Kate as "mommy" while hiding a knife behind her back. Kate yells, I'm not your f*cking mommy!" and kicks Leena in the face, breaking her neck and sending her flying back into the pond to drown.
THEATRE DATE : 07/24/09 2,750 (USA)
RELEASE DATE : 10/08/09
STORE DATE : 10/20/09
GENRE : Drama Horror Mystery ...
RUNTiME : 2 hours 2 minutes
RATiNG : 7.2/10 6,321 votes
ViDEO : 1199 kbps
AUDiO : 384 kbps 6ch.
RESOLUTiON : 624x352 1.77:1
DiSCS : 2
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