Sydney Wells (Jessica Alba) is an accomplished independent Los-Angeles based concert violinist. She is also blind and has been so since childhood. As our story opens Sydney undergoes a double corneal transplant and her sight is restored. But Sydney's happiness is short lived as unexplained shadowy and frightening images start to haunt her. Are they a passing aftermath of her surgery Sydney's mind adjusting to sight a product of her imagination - or something horrifyingly real? As Sydney's family and friends begin to doubt her sanity Sydney is soon convinced that her annonymous eye donor has somehow opened the door to a terryfying world that only she can now see...