Sydney Wells (Jessica Alba) is a talented blind concert violinist. When she undergoes a corneal transplant, her vision is restored. But her happiness is short-lived, as nightmarish images begin to haunt her. As Sydney's family and friends start to doubt her sanity, she is soon convinced that her anonymous eye donor has opened the door to a terrifying world that only she can see.

Jessica Alba, Parker Posey, Alessandro Nivola, Chloe Moretz, Tamlyn Tomita, Aaron Paul, Danielle Lozeau, François Chau, Girard Swan, Kathleen LaGue, Fernanda Romero, Cyd Schulte, Mia Stallard, Dylan Scheller, Brian Gamble, Landall Goolsby, Danny Mora, Ka