Aubrey Fleming (Lindsay Lohan) was living the small town life, until the day she was abducted by a sadistic killer. After a frantic search, Aubrey turns up alive, but changed. She is missing limbs, but has gained a new personality - that of bad girl Dakota Moss. Her parents and the FBI think she's suffering from delusions, but if Dakota is just a trick of her mind, why do strange wounds keep appearing on her body? Desperate and alone, Aubrey must now unlock family secrets to unmask a mysterious killer with a deadly obsession.